Cell Biology Lab Manual - 5674 Words

Mammalian Cell Culture Lab Manual Student guide of Cell Biology Laboratory Techniques 2012 Jay M. Feldman Cell Biology Professor Lagier 11/26/2012 Mammalian Cell Culture Lab Manual Student guide of Cell Biology Laboratory Techniques 2012 Jay M. Feldman Cell Biology Professor Lagier 11/26/2012 Table of Contents I. Introduction * About the author page 2 * Preface page 3 II. Laboratory Techniques * Cell Culture Technique page 4-5 * Sterile Technique page 6-7 * Media Preparation page 8-9 * Seed cells page 10 * Subculture page 11-12 * Cell count page 13-14 * Cryopreservation page 15 III. Laboratory Experiments * Intentional Contamination page 16-17†¦show more content†¦A. They are immortal B. They are epithelial cells C. They are cancer cells D. All of the above 3) What is an advantage of cell culture? A. Control the physiochemical environment of an experiment B. It is more fun than anti cell culture C. It is easier than anti cell culture D. All of the above Answers: 1) C 2) D 3) A Introduction to Sterile Technique * What is Sterile Technique? Sterile technique is the process of executing cell culture procedures without introducing contaminating microorganisms (bacteria) from the environment * Sterilize vs Sanitize The difference between sanitization and sterilization is that when you sanitize something, you are getting rid of MOST of the live bacteria. It takes about 30 seconds and we perform this using 70% ethanol or Lysol. When we sterilize something, we make free of ALL live bacteria. Sterilization is done with an autoclave or by gas sterilize (this is not done in lab). -Something that is sterilized is also considered sanitized, but if something is sanitized, it is not sterile. * Personal Hygiene By definition, personal hygiene is the act of grooming, cleaning, and looking after our bodies. In cell biology lab, personal hygiene will be necessary in order to keep contaminants from your body from reaching your cells. By having good hygiene, you will be able to reduce most of the risk of spreading bacteria by getting rid of it before youShow MoreRelatedCell Membrane Lab Essay927 Words   |  4 PagesLab #1: Cell Membrane Prepared for Gary V. Lawrence Biology 0983 By Zane Jeffels Partners: Lily Juno, Huynh, and Lin Yan Sun Preformed: October 11th, 2010 Due: October 25th, 2010 King Edward Campus- Rm. 3275 Vancouver Community College Abstract The purpose of this lab was to determine if hemolysis would occur, and how long it would take to occur to red blood cells when blood suspension is introduced to solutions prepared at different temperaturesRead MoreA Basic Understanding of Diffusion and Osmosis Essay953 Words   |  4 Pagespurpose of this lab was to have a basic understanding about concepts diffusion and osmosis. In this lab we had dialysis tube as a cell membrane of cell, which lets small particles pass through it and we had test tube as tightly joined surface, which doesn’t let any particles pass through it. As a result we saw that small particles like glucose and iodine diffused through dialysis tube, but large particle like starch couldn’t diffuse dialysis tube. From this lab it can beRead MoreEssay about Identification of Macromolecules- Lab Report811 Words   |  4 Pagesmacromolecules. In doing the lab, one was able to determine the characteristics of the given solutions, containing different macromolecules, whilst doing the multiple tests. The tests performed were, iodine testing for starch and glycogen, Benedict’s test for reducing sugars, and the Biuret’s test for protein. Depending on the test performed, certain results acquired, clearly identified the macromolecules present in each solution. With the aid of the results from the lab, the unknown solution willRead MoreProteins Of Bovine Red Blood Cell1376 Words   |  6 Pages Protein Composition in Red Blood Cells in Humans using Polyacrylamide Gel Electrophoresis Name: Emma Claypole Date: Wednesday March 16, 2016 Lab Group: W08, Wednesday morning 2 Abstract The proteins of Bovine red blood cell (RBC) membranes were analyzed using polyacrylamide gel electrophoresis. After analyzing Bovine RBC they were then compared to human RBC counterpart. Following finding the log of each molecular weight of each band, band one showed the highest molecular weight. AllRead MoreLab Report on Measuring the Rate of Conversion of Hydrogen Peroxide using Enzyme Catalysis664 Words   |  3 PagesLab Report on Measuring the Rate of Conversion of Hydrogen Peroxide using Enzyme Catalysis In essence, the main objective was to use chemical titration to measure and then calculate the rate of conversion of hydrogen peroxide (H2O2) to water and oxygen by using the enzyme catalase. Other purposes of the lab were; to measure the effects of changes of temperature, pH, enzymes concentration, and substrate concentration on rates of an enzyme. The lab was also an opportunity to see a catalyzed reactionRead MoreBeet Cells Lab Report1303 Words   |  6 PagesThe Effect of Temperature on Beet Cell Membranes and Concentration of Betacyanin Released Introduction Membranes are an important feature of plant cells and they act as a barrier that separates the interior of the cell from the external environment (Campbell et al., 2008). Each membrane layer is composed of a phospholipid layer, which is semi-permeable and possesses the ability to control the movement of diffusion. Within the centre of a cell, the vacuole that is responsible for storage andRead MoreEssay about Cell Bio Lab Report704 Words   |  3 Pages TITLE AND AUTHOR Lab 7 Analysis of purified Concanavalin A via:Hemagglutination INTRODUCTION The purpose of this lab was to test the biological activity of ConA by performing a hemagglutination assay. If ConA is active then agglutination will occur due to ConA’s free receptors being able to bind to the glucose residues on the sheep’s red blood cells. If ConA is not active then no agglutination will occur. To test the hemagglutination reaction, two types of ConARead MoreOsmosis In A Decalcified Egg Lab Report1004 Words   |  5 Pagesvinegar were taken and placed in four beakers of solution with different levels of glucose. Using this experiment we were able to determine the rate of osmosis of different solutions, with various amounts of glucose, through eggs. In the results of this lab it was found that the eggs were either hypertonic or hypotonic and that the concentration of glucose inside the egg must have been between 0.5 M and 1.5 M. This experiment was successful and was a very good representations of how osmosis works. Introduction:Read MoreSolute Concentration of Potatoes Essay914 Words   |  4 Pages Purpose: To determine the concentration of solute in the potato’s cytoplasm by measuring the change in mass after the process of osmosis. Materials and Equipment: Refer to Biology 12 Lab Manual – Investigation 13 Procedure: Refer to Biology 12 Lab Manual – Investigation 13 Data and Observations: The Potatoes change in mass after the process of Osmosis Test Tube # | Concentration of Sucrose Solution (mol/L) | Initial mass (g) | Final mass (g) | ChangeRead MoreMitosis Lab Report1157 Words   |  5 PagesLife Science Lab. A. Arnold Tuesdays @ 2:30 September 30th, 2011 Lab Report: Nuclear and Cell Division. PART A: Stages of Mitosis in my own words. 1. Interphase: DNA has formed already, but it remains in the simple form of chromatin. Chromatins are structures that are loosely coiled in the cell.3 I also observed during my lab that this was the only stage where I could still see a nucleus and nucleolus intact within the cell; this is because it’s the only stage where the nuclear membrane has

Business Process Reengineering Essay - 1589 Words

Background Business process reengineering has widely become a significant trend in enterprise organizations seeking to innovate and massage business processes. It should come as no surprise that â€Å"over the last decade, numerous organizations have significantly changed their business processes in order to remain competitive in the global market† (Hadaya Pellerin, 2008). The text analyzes business process reengineering as a business process solution for efficiently improving information systems within the context of ERP implementations. The authors suggest that â€Å"BPR is one of the best methods for determining the need to move to an ERP system and set the high level goals and project implementation scope† (Motiwalla Thompson, 2011). In†¦show more content†¦If organizations are in fact seeking to streamline business processes through business process reengineering concepts they must fully understand the BPR methodology. The systematic approach of BPR suggests five st ep methodologies which essentially provide a BPR framework to a successful implementation. The first methodology is the preparation. When analyzing BPR, â€Å"this very first step in BPR is to develop and articulate what is to be accomplished by reengineering, including goals and scope as it relates to BPR† (Motiwalla Thompson, 2011). The as-is process encompasses the functionality of teams and focuses on communicating the visions and goals of the organization. This fundamental process is key in determining the scope that the organization is willing to reengineer contingent upon the successful communication of the individuals involved in the business processes. Thirdly the â€Å"to be† phase focuses on the changes needed to ascertain the outlined objectives of the business processes. This approach can be described as â€Å"a radical new approach to business improvement, with the potential to achieve dramatic improvement in business performance† (Larson Myers, 1997). Essentially if the most important factors that are identified in BPR; the testing and measurement phase of the BPR methodology will facilitate the â€Å"validation of each process necessary to ensure that a step was not missed or that a process wasShow MoreRelatedBusiness Process Reengineering:6310 Words   |  26 PagesBUSINESS PROCESS REENGINEERING: PUTTING THEORY INTO PRACTICE^ BRIAN FITZGERALD AND CIARAN MURPHY Executive Systems Research Centre, University College, Cork, Ireland. ABSTRACT Business Process Reengineering (BPR) advocates the fundamental examination and redesign of business processes, recognising tb-at the legacy of scientific management has been the excessive fragmentation of work practices in organisations today. This is reflected in the hierarchical structuring of organisations around functionalRead MoreBusiness Process Reengineering2936 Words   |  12 PagesCharacterization of BPR 3 Concepts 4 BPR Methodologies 7 A Case study of Ford Motor Company 7 Business Process reengineering failure 10 Keys to Business Process Reengineering success 11 Case Study 11 Summary 12 Introduction – Characterization of BPR Business Process Reengineering explained Coffee Shop scenario Whenever we order our drinks at the coffee shops on a daily basis, we are actually triggering a business process. When the waiter at the coffee shop takes the order at our table, he will pass ourRead MoreThe Business Process Reengineering ( Bpr ) Essay1573 Words   |  7 Pages1. Abstract: Business Process Reengineering (BPR) is a method, helps to observe and analyze the business process to determine the changes within or outside the enterprises to streamline the operations of the business. Enterprise resource planning (ERP) is software platform that helps the organization to determine how to utilize the available resources. This paper highlights the BPR process and its importance in the implementation of ERP and also gives the phases of BPR process to the micro levelRead MoreBusiness Process Redesign or Reengineering1009 Words   |  5 PagesBusiness Process Redesign or Reengineering Business Process Redesign (BPR) or Reengineering is the fundamental rethinking and radical redesign of business processes to achieve dramatic improvements in critical, contemporary measures of performance, such as cost, quality, service, and speed (Hammer and Champy, Reengineering). Since the BPR idea has surfaced it has been under constant ridicule by the popular press. They say it takes far too long, creates management headaches, fails 70% of theRead MoreBusiness Process Reengineering ( Bpr ) Essay1538 Words   |  7 PagesINTRODUCTION Business process reengineering (BPR) is a management strategy for the business, a leader in origin in the early 1990s, with an emphasis on analysis and design workflow and business processes within the organization. BPR, which aims to help organizations fundamentally rethink how to do their job in order to improve customer service significantly, reduce operational costs and become competitive on a global level. Financial institutions and banks are constantly called upon to provide customerRead MoreA Critique on Business Process Reengineering1203 Words   |  5 PagesA CRITIQUE on Reengineering Work: Don’t Automate, Obliterate by Michael Hammer Harvard Business Review July-August 1990 Summary Hammer emphasises the futility of using Information Technology to mechanise the existing processes. He believes in necessity for breaking away from the outdated rules and fundamental assumption that underlie operations to keep up with the quickly changing, growing competitiveness. To achieve this, companies should use the power of modern InformationRead MoreBusiness Process Reengineering And Erp Essay1646 Words   |  7 PagesBusiness Process Reengineering and ERP 1. Abstract: Business Process Reengineering (BPR) is a method, helps to observe and analyze the business process to determine the changes within or outside the enterprises to streamline the operations of the business. Enterprise resource planning (ERP) is software platform that helps the organization to determine how to utilize the available resources. This paper highlights the BPR process and its importance in the implementation of ERP and also gives the phasesRead MoreBusiness Process Reengineering3564 Words   |  15 PagesBusiness process reengineering - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Business_process_reengineering From Wikipedia, the free encyclopedia The analysis and design of workflows and processes within an organization. A business process is a set of logically related tasks performed to achieve a defined business outcome. Re-engineering is the basis for many recent developments in management. The cross-functional team, for example, has become popular because of the desireRead MoreBusiness Process Reengineering9009 Words   |  37 PagesBUSINESS BUSINESS PROCESS PROCESS RE-ENGINEERING RE-ENGINEERING BP R BP R Report produced for the EC funded project INNOREGIO: dissemination of innovation and knowledge management techniques by Sotiris Zigiaris, MSc, BPR engineer BPR HELLAS SA J A N U A R Y 2 0 0 0 BUSINESS PROCESS RE-ENGINEERING - BPR 1 Contents 1. Description .................................................................................................................2 1.1 What is the Business ProcessRead MoreBusiness Process Reengineering6027 Words   |  25 PagesBUSINESS PROCESS RE-ENGINEERING. APRIL 2010. BUSINESS PROCESS RE-ENGINEERING. APRIL 2010. Tutor: - Dr. Basil Dudin MIDDLESEX UNIVERSITY, DUBAI Tutor: - Dr. Basil Dudin MIDDLESEX UNIVERSITY, DUBAI BIS 3324 STRATEGIC MANAGEMENT AND INFORMATION SYSTEMS   INDIVIDUAL ESSAY By Iroegbu Osinachi Bertrand M00272549 Bi059@live.mdx.ac.uk BIS 3324 STRATEGIC MANAGEMENT AND INFORMATION SYSTEMS   INDIVIDUAL ESSAY

Definition of Lyric Poetry Free Essays

Definition of Lyric Poetry Lyric Poetry consists of a poem, such as a sonnet or an ode, that expresses the thoughts and feelings of the poet. The term lyric is now commonly referred to as the words to a song. Lyric poetry does not tell a story which portrays characters and actions. We will write a custom essay sample on Definition of Lyric Poetry or any similar topic only for you Order Now The lyric poet addresses the reader directly, portraying his or her own feeling, state of mind, and perceptions. â€Å"Italian Sonnet† by James DeFord, written in 1997: Turn back the heart you’ve turned away Give back your kissing breath Leave not my love as you have left The broken hearts of yesterday But wait, be still, don’t lose this way Affection now, for what you guess May be something more, could be less Accept my love, live for today. Written by William Shakespeare: Shall I compare thee to a summer’s day? Thou art more lovely and more temperate. Rough winds do shake the darling buds of May, And summer’s lease hath all too short a date. Sometime too hot the eye of heaven shines, And often is his gold complexion dimmed, And every fair from fair sometime declines, By chance, or nature’s changing course untrimmed. Poem by Emily Dickinson named â€Å"I Felt a Funeral in my Brain. † It describes a person who is going insane, or thinks they are: I felt a Funeral, in my Brain, And Mourners to and fro Kept treading – treading – till it seemed That Sense was breaking through – And when they all were seated, A Service, like a Drum -Kept beating – beating – till I thought My Mind was going numb – And then I heard them lift a Box And creak across my Soul With those same Boots of Lead, again, Then Space – began to toll, As all the Heavens was a Bell, And Being, but an Ear, And I, and Silence, some strange Race Wrecked, solitary, here – And then a Plank in Reason, broke, And I dropped down, and down – And hit a World, at every plunge, And Finished knowing – then – Nonsense Poetry Nonsense poetry is a form of poetry that many people are familiar with, even if they didn’t know they were reading nonsense poetry. The many limericks (both family friendly, and otherwise) that people have read and heard over the years are a form of nonsense poetry. The works of Edward Lear are some of the finest examples of the form. So are the many classic nursery rhymes that we read to our children. Sometimes the language doesn’t make obvious sense and other times the stories being told seem impossible or illogical. Either case can be a technique for writing nonsense poetry. Many of the works of Lewis Carroll are classics of the form. Ronald Dahl is another writer who has entertained us with his strange tales. Words such as silly, strange, bizarre, illogical, whimsical, and fantastic are often used to describe nonsense poems. How to cite Definition of Lyric Poetry, Essay examples

Obligate autotrophs Chemistry and influence of organic compounds Essay Example For Students

Obligate autotrophs: Chemistry and influence of organic compounds Essay In spite of the frequent habitation of compost heaps, nitrate, beds, mud or sewage by nitrifying bacteria and thiobacilli, they are generally incapable of being cultured on a wide range of heterotrophic laboratory media. They may even be inhibited by certain organic nutrients added to the autotrophic medium. Similarly certain diatoms and green or blue-green algae fail to grow on none or only on a very few of the numerous organic compounds tested, and sometimes even then retain a requirement for light and cannot grow heterotrophically in the dark. Numerous metabolic poisons are, not surprisingly, toxic to autotrophs. The existence of facultatively autotrophic relatives of the obligate autotrophs argues against there being any fundamental structural or chemical difference between the two. This view is supported by analysis which shows the usual sugar and amino acid components in polysaccharide and protein of Nitrosomonas, Thiobacillus, Ferrobacillus and blue-green algae. Similarly, the coenzymes, cytochromes, nucleic acids, vitamins and storage products of obligate autotrophs are similar to those of heterotrophs of various types. The endogeneous metabolism in the absence of light or of the inorganic substrates is probably similar to that in heterotrophs. For example, Thiobacillus respires endogenously with an R.Q. of 1 and seems to oxidize a stored polysaccharide synthesized from carbon dioxide. Polyhydroxy-butyric acid is stored by Nitrobacter and by the blue-green alga Chlorogloea10 and presumably provides maintenance energy from its oxidation as it does in Rhodospirillum and Hydrogenomonas. Of course, no growth occurs under such ‘starvation’ conditions, andthere must clearly be some distinction in the obligate autotroph between exogenous organic nutrients and those available within the cell as stored reserve nutrients. Compounds synthesized by autotrophs from carbon dioxide are secreted into the medium to a significant extent. For example, Thiobacillus releases amino acids and phosphatidylinositol into the medium and Ferrobacillus loses pyruvate. These compounds cannot support growth after inorganic substrate exhaustion, but might of course make the environment more favourable for growth: phosphatidylinositol is a wetting agent and may facilitate the attack of elementary sulphur by Thiobacillus. Amino acids in solutionsmight act as chelating agents and provide a bound or ‘buffered’ source of essential trace metals. Such secretion might thus have some selective advantage to these organisms. It should be noted that these compounds probably escape from intact organisms rather than because of lysis, because both T. thiooxidans and Ferrobacillus seem very resistant to lysis. Clearly, no obvious chemical peculiarity is likely to be the cause of obligate autotrophy. Many attempts to find stimulation or inhibition of autotrophic growth by organic nutrients have produced relatively few positive results. Reports of inhibition of growth of nitrifiers by some amino acids and peptone could be due to metal chelation or some other secondary effect and have little significance in considering obligate autotrophy. Similarly growth stimulation by hay infusion and yeast extract could be due to supply of essential trace metals. Such a reason could explain the stimulation of ammonia oxidation in Nitrosomonas by corn steep liquor, for inorganic solids obtained from the liquor are just as effective. Also the stimulation of Nitrobacter by yeast extract may be due partly to molybdenum in the extract, although biotin could be stimulatory also as was found by Krulwich Funk. Certain organic compounds may stimulate autotrophic metabolism. Algal development in the light may be enhanced by the addition of glucose or acetate to the medium. Glucose was slowly used by T. thiooxidans and produced stimulation of sulphur oxidation and growth. T. neapolitanus gives faster growth rates and increased yields when supplemented with amino acids. Nitrosomonas was stimulated by pyruvic acid, which also decreased the lag in autotrophic growth. Photosynthetic growth of Chlorobium thiosulfatophilum was enhanced by acetate but, of course, carbon dioxide, light and sulphide were also essential. These effects could be explained if the stimulatory compounds were used as supplementary carbon sources in a metabolism that was carbon-limited by the rate of carbon-dioxide-fixing reactions or by the synthesis of a particular essential compound such as biotin or a derivative of pyruvate in the examples quoted. Uptake and metabolism of organic compounds Evidence for oxidation of externally added organic nutrients by chemoauto- trophs is relatively scanty but the endogenous respiration of Thiobacillus does seem to be increased by organic acids and by ribose, glycerol and glucose, al- though sometimes this stimulation was slight. Nitrobacter, however, is able to oxidize formate quite rapidly and the oxidation seems to involve the same cytochrome system as that involved in nitrite oxidation although the pH optima for the oxidation of the two substrates are different. Formate oxidation is apparently coupled to carbon dioxide fixation and may even allow a very low rate of growth. A Worn Path Theme EssayHowever, Thiobacillus denitrificans is freely permeable to glycerol, on which it cannot grow, and Nitrobacter similarly accumulates materials which do not support growth. It is noteworthy that Thiobacillus neapolitanus assimilates virtually none of any acetate or amino acids supplied to it, unless it simultaneously oxidizes thiosulphate. Similarly acetate assimilation by Anacystis nidulans21 is light-dependent. This may indicate that permeation by the nutrients occurred only if a source of energy were available. Clearly, however, permeability is not the explanation for all autotrophy. 2. Energy coupling Perhaps the most attractive explanation is to believe that even if the organism is permeable to the nutrient it is unable to grow on it, because of an inability to obtain sufficient energy from its oxidation. Such inability might result from a failure to oxidize the compounds or from a lack of the systems known in heterotrophs for the trapping of energy from such oxidations. Many autotrophs do not oxidize organic compounds to any significant extent and even if they do stimulate respiration they do not support growth. Lewin showed that even complete oxidation of acetate by Chlamydomonas dysosmos was possible but no growth occurred. The fact that oxidations may occur, shows that there is permeation into the cells, and thus indicates that the oxidations may not yield energy to the organism. Lewin in fact simulated the responses of a strictly autotrophic Chlamydomonas to acetate by treating a wild type strain with the energy-uncoupler 2,4-dinitrophenol. Hempfling ; Vishniac found that although Thiobacillus extracts oxidized NADH its oxidation did not support ATP synthesis. If intact organisms behave in the same way, NAD-linked oxidations would not support growth, unless the cytochrome systems believed to be involved in sulphur oxidations were also involved in NADH oxidation. The critical factor in Nitrobacter growing with formate may well be that the energy trapping system is the same as with nitrite. The main function of light energy or chemolithotrophic energy in supporting organic assimilations by Chlorobium, blue-green algae and thiobacilli is almost certainly in activating the compounds and providing sufficient energy for synthetic reactions. However, if this were the sole explanation for dependence on light or specific inorganic respiratory substrates, an ‘obligate autotroph might be able to grow on organic compounds in the absence of carbon dioxide provided that the particular energy source is also supplied. However, experiments with Chlamydomonas, Nitrobacter and thiobacilli failed to obtain such growth when even complex mixtures of organic compounds, including extracts of the organisms themselves, were provided. Thiobacillus neapolitanus, for example, could not develop without C02 but with thiosulphate when supplied with hexoses, pentoses, yeast extract and amino acids, although normal development occurred in the presence of C02. Butler ; Umbreit16 obtained growth of T. thiooxidans on glucose with sulphur in the absence of C02. This result does not mean, however, that total cell synthesis produced from glucose directly, for Suzuki27 showed that this organism could incorporate glucose into aminoacids and other cell components during sulphur oxidation, but that it was also oxidized (possibly by both Embden-Meyerhof-Parnas and pentose-phosphatecycle mechanisms) to liberate carbon dioxide. Consequently much of the cell biosynthesis observed by Butler ; Umbreit could have depended on this liberated C02, which would be providing physiologically ‘normal’ conditions. With Chlorobium and blue-green algae the light-dependent incorporation of organic compounds also depends on simultaneous carbon dioxide supply. Growth could not thus occur on organic nutrients alone, but in considering the C02 requirement of autotrophs one must recall that it is an essential metabolite to most, if not all, heterotrophs also. The large amounts of glucose and acetate carbon (32% and 18% of the dry weight) assimilated by the Anabaena of Carr ; Pearce28 might similarly have been taken up in part as C02 previously released as oxidation products of, say, an operative tricarboxylic acid cycle.

The Swimmer By John Cheever Essays - The Swimmer, Guggenheim Fellows

The Swimmer by John Cheever John Cheever's story ?The Swimmer? depicts a protaganist, and the society that has nurtured him, as lacking in seriousness and responsibility. Neddy, the bewildered protagonist, represents a society satirized for centering its values on social status and materialism. During the course of Neddy's journey, the illusions he has constructed about his life are stripped away, and in the process the truth behind his society is realized. In unveiling the tragedy of Neddy's existence, Cheever reveals the unworthiness of an unexamined life. The tragedy of Neddy's presence leads to his own demise. Through an unique usage of tone, Cheever foreshadows the misfortunes of the protagonist. Stereotypically, the author hints at the fact that that wealthy people loaf around and indulge themselves with alcohol to rid themselves of their problems (368). In a mocking manner, almost setting Neddy up for his failure, the day begins beautiful and everyone is happy, but a feeling of confusion soon follows (368). Significantly, by exemplifying the point of view, Cheever allows the reader to see Neddy from two different perspectives. According to Neddy, ?his life was not confining and the delight he took in observation could not be explained by its suggestion of escape? (368). The bystanders view of Neddy, however, depicts him as ?close to naked,? as they ?wondered if he was the victim of foul play, had his car broken down, or was he merely a fool? (371). This is the only moment in the entire story where a perspective other than Neddy's is offered, indicating that Cheever wants to maintain an emphasis on the bewilderment of Neddy. In addition, elements of symbolism throughout the story exhibit the troubles of Neddy. The water, a symbol of the unconscious, represents the thoughts and actions of Neddy. Alcohol, a means of escape, lies as a threat to Neddy's existence because he feels that ?whiskey would... carry him through the last of his journey? (373-74). The storm represents a change from the confusion of Neddy into the truth about his existence. The worthlessness of Neddy's unexamined life ultimately forces him awy from reality. Initially, the characterization of Neddy and the society which he represents reveals the meaninglessness of both his life and that of the society. ?My misfortunes? ....I don't know what you mean,?(373) Neddy obliviously responds when receiving sympathy for his financial misfortunes that he seems totally unaware of. Due to the snobbish behavior accustomed to Neddy through his society, he is afraid that the public pool will ?damage his own prosperousness and charm?(372) which he no longer possesses anyway. Furthermore, the constant usage of allusion remains evident throughout the story. Almost Fitzgerald-like in his descriptions of the ?prosperous men and women,?(370) Cheever satirizes the society. Also similar to the works of Fitzgerald, the protagonists' own wealth and power force his social decline. Importantly, symbolism also plays a role in describing the lifestyle of Neddy and the society of whic h he represents. The storm adds to Cheever's satirical story in that confusion is even moreso emphasized(370). The parties and constant drinking of the wealthy society acts as a way for them to escape everyday responsibilities (368). Cheever illustrates the meaningless life of Neddy and his satirized society by uncovering the affliction of Neddy's existence. The fact that Neddy feels that he still holds the same social stature as he previously did, exhibits his ignorance and inability to accept his own misfortunes. Throughout the story, both the society and Neddy think that they can avoid the problems of life by consuming alcohol, obtaining wealth, and partying. Ultimately, the personal tragedy of mankind results from his own ignorance and misperception of reality.

Violence in the Bahamas essays

Violence in the Bahamas essays Causes of youth violence in the Bahamas Train up a in child in the way they should go when they are old never will depart from it. Parents need to take the full responsibility of their youth actions. Such as monitor what they watch on television and the music they hear, Adults should have better control where their youth hang up, and Teachers must be able to excises more discipline in the school. IN the world we are living most parents dont monitor what their children watching and the kind of music they are listerning to. They spend too much time on the telephone gossip with friend and to busy with different activities around them Just about every home in the Bahamas each child room has a cable in it while parents are not aware what they are watching at night. Parents need to take these cable out of the children room because most of them sometime they get bad influence from watching the wrong movie. Majority of youth are playing music sometime they cant understanding what the writer a is saying. Some of the music sendin g bad message across to the youth and once they instill these song sometime they practice exact what the music say. Parents have to show more consideration to the kind of music their youth are listerning to and make sure its sent positive message to them. Most parents marriage or single dont know where there youth hang up. You really have some of them that tell their parent that they are going by a friend went you find out that is not the true. I feel that every parent should know every company that their youth keep and make sure that they fit the characteristic that your youth procession. These youth sometime are looking for love and caring what they cant get from home so they go out there and find it from either gang group that shown the wrong direction or bad companies that lead them to the bar room and selling drug. Everywhere you go these youth are in the nightclub and most of the ti...

Why has the concept of work life balance become such a focus concern Essay

Why has the concept of work life balance become such a focus concern in the past decade - Essay Example working from home, compressed work weeks and flexible working hours), leave arrangements (e.g. maternity leave, paternity leave, and leave to care for a sick dependent), dependent care assistance (e.g. on-site daycare, subsidised daycare, eldercare, and referral to child care), and general services (e.g. employee assistant programs, seminars and programs related to family needs)’. These initiatives give employees work flexibility and ensure that those depended on them, children and the elderly parents, are cared about, thus reducing the family-work conflict, as well as providing time to be spent for personal interests and hobbies, which reduces stress and increases employees’ satisfaction with life and work. The issue of work-life balance was aroused in the USA in the mid of 1980s, yet since then it has become only more vital. This was caused by a number of reasons. In this paper we are going to discuss the sources of the problem and highlight the aspects making it a pr oblem, as well as benefits of work-life balance. Work-life balance initiatives are essential for creating normal conditions of work for people. Reports and surveys indicating the problem have been released and conducted for several decades already. However, the issue continues acquiring its vitality. In May 2005 Europe was worried by the report released by the European Industrial Relations Observatory (EIRO) showing that the workers in 10 new state entrants to the European Union worked three weeks more than employees in 15 core EU countries. Voters blamed politicians for shrinking vacation period. The 22 days of paid vacations in Estonia, Lithuania, Poland ad Slovenia were perceived as the violation of human rights. Meanwhile, according to the Families and Work Institute report 79 percent of US employees got no more than 16,6 days of paid vacation in 2001, the figure having dropped to 14,6 days by 2004. About 37 percent of US workers took less

Israeli-Palestinian Conflict Essay Example | Topics and Well Written Essays - 250 words

Israeli-Palestinian Conflict - Essay Example The main and the biggest obstacle to conflict resolution is strong religious values and inability of the parties to accept view points and ideas of ach other. Each of the parties tries to prove his position and correctness. "Prejudiced views on both sides, not only by those directly engaged in the conflict, but by their allies as well, further stoke the flames of hatred and violence" (Wahid and A'La 2009). This conflict vivid portrays that ethical and religious factors and principles dominated in the Arab world and prevent its people to establish peace in the region. This conflict can be overcome with the help of the global peace organizations and UNO (United Nations Organizations). In order to make the conflict peaceful, UNO should force leaders of two countries to take part in summit and sign peaceful agreements. The main policies should involve political negotiations and organization of social life on the disputed territory. In spite of territorial claims, the core of the conflict is religious difference between these states and their ethnical envy. The Israelis would have to choose whether to annex the West Bank and Gaza Strip. And if they did so, they would have to decide whether to grant full civil rights to the Palestinians (Israeli-Palestinian Conflict, 2008).

Desegregation of Public Schools in Boston Essay

Desegregation of Public Schools in Boston - Essay Example On the other hand, desegregation in Boston has brought about mixed responses. The opponents of desegregation argue that busing has resulted in an increased white-flight, considerable decline in white enrollment, increased racial imbalance, low levels of educational quality and paved way for more of racial tensions and violence in the Boston public schools (Buell & Brisbin 151-160). Many white-flight studies have pinpointed that school desegregation has resulted in white enrollment drop off and that court-ordered busing was partly instrumental in the â€Å"steep decline in white enrollments during the first two phases of Judge Garrity’s program† (Buell & Brisbin 152). On the other hand, one can never undermine the positive impacts of desegregation on the lives of many black and other minority Bostonians. This paper seeks to explore how desegregation of public Schools in the 1970s has affected the Bostonian society and in doing so the paper addresses key issues pointed ou t by the opponents of desegregation. ... A comparison of the statistics regarding the racial imbalance in Boston Public Schools according to District Court Guidelines in 1975 and 1980 reveals this. In 1975 schools with too many whites were 20 (35 in 1980); schools with too few whites were 47 (44 in 1980); schools with too many blacks were 43 (21 in 1980); schools with too few blacks were 24 (37 in 1980), schools with too many others were 41 (34 in 1980) and schools with too few others were 52 in comparison with 57 schools in 1980 (Buell & Brisbin 155). As evident from these statistics desegregation has considerably reduced racial isolation in the Boston schools. The opponents of desegregation also hold that the system has declined educational quality and has increased high school drop-out rates. For them, desegregation enhances racial achievement gaps as they believe that the pace of white instruction needs to be slowed so as to accommodate such black slow learners (Buell & Brisbin 161). It is also worthwhile to analyze the teacher perceptions of educational quality and to know whether the percentage of high school graduates pursuing higher education has undergone any positive changes. While the number of high school graduates has considerably increased most senior faculties are not so happy with the student performance since judicial intervention: â€Å"almost half of the senior faculty saw decline while only 13 percent reported improvement† (Buell & Brisbin 163). On the other hand, the magnet schools specially designed for desegregation came out with so many success stories of Boston busing and very often the media and press evaluated desegregation progress based on

The Dead Mens Path Theme Analysis Religion Essay

The Dead Mens Path Theme Analysis Religion Essay Dead Mens Path is a short story written in 1972 by African Author Chinua Achebe. It is about Michael Obi, a young and energetic man excited about all things modern who is just assigned a position to run a traditional school. Not long into the job, he finds that along with his misguided zeal, ignoring the traditions of his people can have great consequences. Obi is a bright and enthusiastic young man who is excited to find out that he will be the new headmaster of a school that has been in desperate need of help for some time. Obi was considered a pivotal teacher and he and his wife are both forward thinking and eager to share the modern life with everyone. Chinua Achebe shows the Obis modern enthusiasm by writing: We shall do our best, she Obis wife) replied. We shall have such beautiful gardens and everything will be just modern and delightful He also shows Obis views of the traditionalist people by attacking their character referring to them as, these old and superannuated people in the teaching field. Of his two goals for the school, one was to make the grounds a place of beauty. An upcoming inspection was the perfect motivation to begin what he thought to be great improvements. In time the gardens blossomed with beautiful red and yellow flowers. As Obi is admiring his work, he comes across an old woman from the village who walks str aight across the flowers onto what Obe discovers to be an old faint almost unused path. Obi speaks to a teacher and finds out exactly what the path was used for. It amazes me, said Obi to one of the teachers who had been three years in the school, that you people allowed the villagers to make use of this footpath. It is simply incredible. He shook his head. The path, the teacher said apologetically, appears to be very important to them. Although it is hardly used, it connects the village shrine with their place of burial. Obi didnt care about the reason and for fear that the coming inspector may see people on school grounds who didnt belong, demanded that the footpath be closed off immediately regardless of warnings from the teacher. The path was then blocked with heavy logs and reinforced with barbed wire. A priest was sent by the outraged villagers to try and talk some sense into Obi, pressing upon him the significance that the path has not to just the villagers, but also the dead who walk the path.Look here my son, this path was here before you were born and before your father was born. The whole life of the village depends on it. Our dead relatives depart by it and our ancestors visit us by it. But most important, it is the path of children coming in to be born. Obi rejected the priests words and in mocking replied to him Dead men dont walk. he dismissed his ancestry and instead chose the modern way. The path remained blocked and a few days later a village woman died in childbirth. The villagers took that as a sign that if the path remains blocked they would suffer great misfortune. Believing that the mother would be unable to rest in peace and the child unable to walk the path and enter the world, the villagers became agitated and tore down a school building as well as everything used to block the path and the flowers planted to impress the inspector. When the inspector finally arrived, he was presented with grounds that were completely destroyed along w ith a headmaster who thought only about himself and erasing the past to become modern. In the story, with the descriptions of the pretentious headmaster and his lack of respect for the elders and their traditions the narrator clearly has taken sides with the villagers. Chinua Achebe writes, The whole purpose of our school is to eradicate such beliefs as that. Dead men do not require footpaths. The whole idea is just fantastic. Our duty is to teach your children to laugh at such ideas. The main point in question in the story is in reference to the villagers beliefs and customs and the importance it held in their lives. Obi was wrong in his thinking and in his methods, believing that he can just cut the people off from what in our time would be considered a funeral. When it comes to the destruction and rejection of something that was and is important to people such as traditions no matter how old the customs may be, nobody has the right to negate a persons background and nobody has the ability to remove a persons belief and substitute it with their own. An unfamiliar cul tures belief may seem fanciful but to those who believe it, it is as much a vital part of their lives as technology is in ours. The heart of a persons belief is in having faith although what you believe can never be proven. What happens in death is a perfect example of this. Nobody alive can know what happens after death so we are left with our imaginations to hope that our loved ones are in a better place rather than in the ground or left as ashes. People need that faith to carry on because at times the thought of never again seeing those people can be unbearable. Our ancestors traditions and customs are important because the only knowledge we have of things we have no proof on is in the things passed down for generations. Just as the story explained, the villagers were so strong in their beliefs of the path that when it became blocked they attacked the school and everything that was blocking the sacred path: The beautiful hedges were torn up not just near the path but right around the schoolflowers trampledone of the school buildings torn down The importance of a persons culture is more than just the faith of a single person, it connects a group of people who believe alike and allows them to work together with the same end results. As stated in Achebes Dead Mens Path, contemporary community shouldnt do as Obi and try to eradicate the core of a peoples beliefs which, with his mocking reply to the priest is just what he tried to do. Our duty is to teach your children to laugh at such ideas. It is important to remember and to honor traditions. Many people fight to keep their traditions alive, whether its an old woman making her 80th annual pilgrimage to a Mexican cemetery to light a candle at Dona Candelaria de Sapiens grave or Native American tribe members dressed in full ceremonial clothing dancing to celebrate the coming rain. In Achebes story, the people fought to keep the path free so that those who pass on can rest in peace and the traditions of the vill agers can carry on for generations to come, far beyond the lives of the priests, villagers and Obi.

Mobile Phones :: Technology, Marketing

Mobile phones are reaching whole around the world and will dramatically change to express the new lifestyle of people (Friedrich et al 2009; Xinze, 2008). Such technology has made more and more everybody be reachable (Marez et al. 2007). The mobile penetration and adoption are almost 100% in western countries and several Asian countries (Netsize, 2007; The Economist, 2005). This phenomenon is the ubiquitous revolutionary helped in the adoption and distribution of mobile commerce since it allows marketing activities tailored to actual customer needs and tastes (Barutà §u, 2007), and more precisely targeting customers by using face-to- marketing communications person compared with impersonal and mass media (Carter, 2009;. Shaw et al 2001). An incredible number of innovations introduced annually, and the rapid technological developments (Easingwood and Koustelos, 2000), is also changing the advertising philosophy (Barwise & Farley, 2005), leading businesses to accept mobile marketing s trategy as a way to their advertising messages broke through the clutters (Zhang and Mao, 2008). Once students complete mobile marketing provides marketers with a real chance to get a high response rate compared with traditional media (e.g. Wood and SONI, 1991). The justification for this is that people within the mobile telephone network marketing as customers, firms, advertising agencies, marketers and brands to interact with each other in the more creative and fashionable way unlike before (Hanley and Becker, 2009). Recent statistics show that mobile marketing budgets, specifically and more than 11 billion by 2011 mobile advertising rising from nearly 1 billion in 2007 (Leek and Christodoulides, 2009; O'Shea, 2007), since both expected to mobile subscribers will surpass 4 billion by 2011 (Higginbotham, 2009). Other research results show that about 22% of businesses using online advertising as a tool to promote the real efforts has to do mobile marketing (Ask, 2006). In the Middle East, especially in Jordan, there are four mobile service providers, and the number of subscribers more than 6 million, slightly more than the population numbers. In percentage terms, the mobile penetration in Jordan 101% compared to the population (The Times Jordan, 2009). In addition, according to the Telecommunications Regulatory Commission, the internet penetration in Jordan reached around 30% in 2009 and is expected to more than 50% by 2010 (The Times Jordan, 2009). However, although the market is rapidly maturing mobile in many Western European countries, the infant is still in many Asian countries and the Middle East. In addition, most of the previous studies examining marketing in mobile western context, and little attention are paid to the investigation of this strategy in the Arab world.

Science and Technology in Novels

Attitudes on Science and Technology in Novels Three novels that were written in three completely different times all were able to contribute to different views and attitudes towards science and technology. The Strange Case of Dr. Jekyll and Mr. Hyde, The Time Machine, and Fahrenheit 451 are all accurate portrayals of the effect that science and technology have had on this world even as far back as 1886 when The Strange Case of Dr. Jekyll and Mr. Hyde was first published.Although each book was written for different purposes and in different times, they all had mainly positive attitudes that were able to portray what the author thought science and technology would be like as the future progressed. In The Strange Case of Dr. Jekyll and Mr. Hyde, it seemed that Robert Louis Stevenson had a positive attitude with a negative twist towards science and technological advances throughout the book. This book is ultimately about a scientific potion that affects a man, Dr. Jekyll.By having a posi tive attitude with a negative twist, it is meant that it showing advances in science, but it has negative consequences. Although this book was written so long before our time, the emotions towards scientific advances were there. On page 62 of this book in Dr. Jekyll’s statement of the case, he states that â€Å"From an early date, even before the course of my scientific discoveries had begun to suggest the most naked possibility of such a miracle, I had learned to dwell with pleasure, as a beloved daydream, on the thought of the separation of these elements.If each, I told myself, could be house in separate identities, life would be relieved of all that was unbearable. † Dr. Jekyll shows that he â€Å"dwelled† with pleasure, which signifies a neutral type of attitude that the author portrays. The positivity of the science of his potion was that he was able to do something that no one else had. The negativity was the consequences of the evil in Mr. Hyde and the s uicide that ended it all. The Time Machine by H. G. Wells had both the aspect of science and technology. H.G. Wells had a very positive attitude, seeing as this book was solely about time traveling and being able to find the scientific needs to build a time machine. A quote on page 43 of this book stated† To sit among all those unknown things before a puzzle like that is hopeless. That way lies monomania. Face this world. Learn its ways, watch it, be careful of too hasty guesses at its meaning. In the end you will find clues to it all. † This quote clearly shows a positive attitude towards science and technology.The time traveler is in an unknown place and therefore, feels hopeless, but he knows that there will be identifiers on how to proceed. The time traveler uses his needs of technology and science, but knows that there is more to the future world of Eloi than just those aspects because they get along very well without everything being scientific and technological. F ahrenheit 451 is set in the twenty-fourth century, which would be in the year 2300. Throughout Fahrenheit 451 there are references to technology and science that seem rather odd to us living in the twenty-first century.If this twenty-fourth century world was compared to the twenty-first century of today, they would be considered antonymous to each other. Firefighters in our time do just as their name says, they fight fires. Watching television does not replace our families and learning about history is crucial to our lives. In Guy Montag’s world, this is all considered defiant. The one similarity between our two worlds is that of technology. The technology is very different than that of ours, but there is technology, and that is one thing that cannot be compared to the past.Ray Bradbury seems to use technology as a scape goat for his characters so that they are not drawn to books and to create an image of what life would be like without books or history. This gears his attitu de in a more positive perspective towards technology. His use of â€Å"parlor walls† was a way for his characters to disengage from reality and to do and be whoever they wanted to be. Parlor walls were used as a whole room and basically an interactive television set where you could put yourself in the scene.While reading this book, one might say that Bradbury was trying to show the role that books play in reality thus far and that without them, our lives would only involve technology and less knowledge and social instances. In Fahrenheit 451 on page 63, there is a conversation about the statement that books aren’t real and the role of the parlor walls. This conversation occurs between the main character, Guy Montag, and Professor Faber, who believes in the necessities that books give. â€Å"It becomes and is the truth. Books can be beaten down with reason.But with all my knowledge and skepticism, I have never been able to argue with a one-hundred-piece symphony orches tra, full color, three dimensions, and being in and part of those incredible parlors. As you can see, my parlor is nothing but four plaster walls. † Professor Faber is one of the few that does not engage in using the parlor walls. With most people gaining their knowledge from these parlor wall interactive shows, there is no room to see real truth in what a book is. Faber is also one of the few that has knowledge and admits to this knowledge, noting that he is skeptic of this technological universe that he is living in.The Strange Case of Dr. Jekyll and Mr. Hyde, The Time Machine, and Fahrenheit 451 all were positive portrayals of author attitudes on science and technology. Although there were some neutral or negative aspects in each novel, the main attitude was positive. The future always seems to have a higher capacity for science and technology and seems to have been viewed as a positive attribute to all three authors. Science and technology continue to have positive impacts on the attitudes of authors when it comes to novels in this time.

The Basics of Mammalian Temperature Regulation

The Basics of Mammalian Temperature Regulation Do you find it surprising that reindeer, which spend much of their time standing in snow, dont get cold feet? Or that dolphins, whose thin flippers are gliding constantly through cool water, still manage to pursue very active lifestyles? A special circulatory adaptation known as countercurrent heat exchange enables both of these animals to maintain the appropriate body temperature in their extremities, and this is only one of the many clever adaptations mammals have evolved over the last hundred million years to help them to deal with variable temperatures. Mammals Are Endothermic All mammals are endothermic- that is, they maintain and regulate their own body temperature, no matter the external conditions. (Cold-blooded vertebrates, like snakes and turtles, are ectothermic.) Living in widespread environments around the world, mammals face daily and seasonal fluctuations in temperatures and some- for example, those indigenous to harsh arctic or tropical habitats- have to deal with extreme cold or heat. To maintain their correct internal body temperature, mammals must have a way to produce and conserve body heat in colder temperatures, as well as dissipate excess body heat in warmer temperatures. The mechanisms mammals have for producing heat include cellular metabolism, circulatory adaptations,  and plain, old-fashioned shivering. Cellular metabolism is the chemical process that constantly occurs within cells, by which organic molecules are broken down and harvested for their internal energy; this process releases heat and warms the body. Circulatory adaptations, such as the countercurrent heat exchange mentioned above, transfer heat from the core of the animals body (its heart and lungs) to its periphery via specially designed networks of blood vessels. Shivering, which youve probably done some of yourself, is easiest to explain: this crude process generates heat by the rapid contraction and shaking of muscles.   If An Animal Gets Too Warm What if an animal is too warm, rather than too cold? In temperate and tropical climates, excess body heat can accumulate quickly and cause life-threatening problems. One of natures solutions is to place blood circulation very near the surface of the skin, which helps to release heat into the environment. Another is the moisture produced by sweat glands or respiratory surfaces, which evaporates in comparatively dryer air and cools the animal down. Unfortunately, evaporative cooling is less effective in dry climates, where water is rare and water loss can be a real problem. In such situations, mammals, like reptiles, often seek protection from the sun during the hotter daylight hours and resume their activity at night. The evolution of warm-blooded metabolisms in mammals wasnt a straightforward affair, as witness the fact that many dinosaurs were apparently warm-blooded, some contemporary mammals (including a species of goat) actually have something akin to cold-blooded metabolisms, and even one type of fish generates its own internal body heat.

Biography of Charles Dickens, English Novelist

Biography of Charles Dickens, English Novelist Charles Dickens (February 7, 1812–June 9, 1870) was a popular English novelist of the Victorian era, and to this day he remains a giant in British literature. Dickens wrote numerous books that are now considered classics, including David Copperfield, Oliver Twist, A Tale of Two Cities, and Great Expectations. Much of his work was inspired by the difficulties he faced in childhood as well as social and economic problems in Victorian Britain. Fast Facts: Charles Dickens Known For: Dickens was the popular author of Oliver Twist, A Christmas Carol, and other classics.Born: February 7, 1812 in Portsea, EnglandParents: Elizabeth and John DickensDied: June 9, 1870 in Higham, EnglandPublished Works: Oliver Twist (1839), A Christmas Carol (1843), David Copperfield (1850), Hard Times (1854), Great Expectations (1861)Spouse: Catherine Hogarth (m. 1836–1870)Children: 10 Early Life Charles Dickens was born on February 7, 1812, in Portsea, England. His father had a job working as a pay clerk for the British Navy, and the Dickens family, by the standards of the day, should have enjoyed a comfortable life. But his fathers spending habits got them into constant financial difficulties. When Charles was 12, his father was sent to debtors prison, and Charles was forced to take a job in a factory that made shoe polish known as blacking. Life in the blacking factory for the bright 12-year-old was an ordeal. He felt humiliated and ashamed, and the year or so he spent sticking labels on jars would be a profound influence on his life. When his father managed to get out of debtors prison, Charles was able to resume his sporadic schooling. However, he was forced to take a job as an office boy at the age of 15. By his late teens, he had learned stenography and landed a job as a reporter in the London courts. By the early 1830s, he was reporting for two London newspapers. Early Career Dickens aspired to break away from newspapers and become an independent writer, and he began writing sketches of life in London. In 1833 he began submitting them to a magazine, The Monthly. He would later recall how he submitted his first manuscript, which he said was dropped stealthily one evening at twilight, with fear and trembling, into a dark letter box, in a dark office, up a dark court in Fleet Street. When the sketch hed written, titled A Dinner at Poplar Walk, appeared in print, Dickens was overjoyed. The sketch appeared with no byline, but soon he began publishing items under the pen name Boz. The witty and insightful articles Dickens wrote became popular, and he was eventually given the chance to collect them in a book. Sketches by Boz first appeared in early 1836, when Dickens had just turned 24. Buoyed by the success of his first book, he married Catherine Hogarth, the daughter of a newspaper editor. He settled into a new life as a family man and an author. Rise to Fame Sketches by Boz was so popular that the publisher commissioned a sequel, which appeared in 1837. Dickens was also approached to write the text to accompany a set of illustrations, and that project turned into his first novel, The Pickwick Papers, which was published in installments from 1836 to 1837. This book was followed by Oliver Twist, which appeared in 1839. Dickens became amazingly productive. Nicholas Nickleby was written in 1839, and The Old Curiosity Shop in 1841. In addition to these novels, Dickens was turning out a steady stream of articles for magazines. His work was incredibly popular. Dickens was able to create remarkable characters, and his writing often combined comic touches with tragic elements. His empathy for working people and for those caught in unfortunate circumstances made readers feel a bond with him. As his novels appeared in serial form, the reading public was often gripped with anticipation. The popularity of Dickens spread to America, and there were stories told about how Americans would greet British ships at the docks in New York to find out what had happened next in Dickens latest novel. Visit to America Capitalizing on his international fame, Dickens visited the United States in 1842 when he was 30 years old. The American public was eager to greet him, and he was treated to banquets and celebrations during his travels. In New England, Dickens visited the factories of Lowell, Massachusetts, and in New York City he was taken to the see the Five Points, the notorious and dangerous slum on the Lower East Side. There was talk of him visiting the South, but as he was horrified by the idea of slavery he never went south of Virginia. Upon returning to England, Dickens wrote an account of his American travels which offended many Americans. A Christmas Carol In 1842, Dickens wrote another novel, Barnaby Rudge. The following year, while writing the novel Martin Chuzzlewit, Dickens visited the industrial city of Manchester, England. He addressed a gathering of workers, and later he took a long walk and began to think about writing a Christmas book that would be a protest against the profound economic inequality he saw in Victorian England. Dickens published A Christmas Carol in December 1843, and it became one of his most enduring works. Dickens traveled around Europe during the mid-1840s. After returning to England, he published five new novels: Dombey and Son, David Copperfield, Bleak House, Hard Times, and Little Dorrit. By the late 1850s, Dickens was spending more time giving public readings. His income was enormous, but so were his expenses, and he often feared he would be plunged back into the sort of poverty he had known as a child. Later Life Epics/Getty Images Charles Dickens, in middle age, appeared to be on top of the world. He was able to travel as he wished, and he spent summers in Italy. In the late 1850s, he purchased a mansion, Gads Hill, which he had first seen and admired as a child. Despite his worldly success, though, Dickens was beset by problems. He and his wife had a large family of 10 children, but the marriage was often troubled. In 1858, a personal crisis turned into a public scandal when Dickens left his wife and apparently began a secretive affair with actress Ellen Nelly Ternan, who was only 19 years old. Rumors about his private life spread. Against the advice of friends, Dickens wrote a letter defending himself, which was printed in newspapers in New York and London. For the last 10 years of his life, Dickens was often estranged from his children, and his relationships with old friends suffered. Though he hadnt enjoyed his tour of America in 1842, Dickens returned in late 1867. He was again welcomed warmly, and large crowds flocked to his public appearances. He toured the East Coast of the United States for five months. He returned to England exhausted, yet continued to embark on more reading tours. Though his health was failing, the tours were lucrative, and he pushed himself to keep appearing onstage. Death Dickens planned a new novel for publication in serial form. The Mystery of Edwin Drood began appearing in April 1870. On June 8, 1870, Dickens spent the afternoon working on the novel before suffering a stroke at dinner. He died the next day. The funeral for Dickens was modest, and praised, according to a New York Times article, as being in keeping with the democratic spirit of the age. Dickens was accorded a high honor, however, as he was buried in the Poets Corner of Westminster Abbey, near other literary figures such as Geoffrey Chaucer, Edmund Spenser, and Dr. Samuel Johnson. Legacy The importance of Charles Dickens in English literature remains enormous. His books have never gone out of print, and they are widely read to this day. As the works lend themselves to dramatic interpretation, numerous plays, television programs, and feature films based on them continue to appear. Sources Kaplan, Fred. Dickens: a Biography. Johns Hopkins University Press, 1998.Tomalin, Claire. Charles Dickens: a Life. Penguin Press, 2012.

Urban Health Essay Example | Topics and Well Written Essays - 3000 words

Urban Health - Essay Example It is tabulated that about two-thirds of Europeans lives in towns and cities (WHO, 2010, p. 1). It is estimated that, by 2050, 70% of the people will migrate and live in cities. Urban health is known to depend on factors such as governance, characteristics of the population, food security, social and economic developments (Which, 2010, p. 2). This paper deals with TB as an urban health hazard in Newham, London boroughs. We will discuss how determinants of health contribute to TB infection. Moreover, the infection and transmission mechanisms of the diseases will be discussed under various sections of urban life. Finally, strategies and recommendations in control of the disease will be highlighted. According to Centre for Disease Control, TB is an airborne disease that is caused by bacterium Mycobacterium tuberculosis (CDC, 2013, p. 2). The disease was declared a global disaster in 1993 with a campaign plan against it being scheduled in 2006 to save about 14 million victims by the year 2015 (WHO. 2011, p. 23).The pathogen specifically attacks the lungs, but other parts such as spine, kidney and brain are attacked. Extra pulmonary TB occurs outside the lungs. On the other hand, pulmonary TB occurs in the lung. However, the two types can co-exist. Improper treatment of the disease is fatal and may lead to death. Its spread through the air makes it transmittable through coughs, sneeze and other respiratory droplets. It is recorded that in every ten case of TB, half the number that is left untreated leads to 50% deaths (WHO, 2011, p. 3). A third of the whole world’s population is assumed to be affected by M. tuberculosis. Approximations of 1% of new infections are known to occur each year (WHO, 2002, p. 4). In 2007, 13.7million cases of active chronic infections were reported globally. However, in 2010, the number reduced to 8.8 million cases with an approximation of about 1.5 million global deaths. Most of the cases

Topic relating to Thanatology Essay Example | Topics and Well Written Essays - 1750 words

Topic relating to Thanatology - Essay Example Thanatology is derived from the Greek word â€Å"Thanatos† which literally means death. It is the scientific study of death and all other events that are associated with it. This study is interdisciplinary in nature and encompasses the events that precede the death of an individual and those that happen after death. It also takes a keen look at the society’s reaction to death and other rituals that happen during this sad period. The grief that hits the family members, close friends and colleagues is also captured in this study. Florence and Austin (2003) are of the view that death was previously ignored by philosophers due to the preoccupation with more logical aspects of life most of which bring pleasure and keep pain away. They argue that man is naturally tempted to talk about things that bring pleasure and avoid those that bring pain. The two also point out that individuals (especially in Africa) avoid the subject of death because they believe that the mere mention of the name attracts misfortune. However with time, people begun to appreciate the inevitable and hence the study of thanatology was accepted in the modern society. Today it is a core subject in the medical profession. It is studied by nurses, psychologists as well as psychiatrists with the sole aim of helping individuals handle death and its ripple effects. Asked how they wished to die in a random radio interview, people gave various responses. Some said that they would wish to die in their sleep while others said that they would rather say goodbye to this world courtesy of an airplane accident. Others pointed out that they would wish that Jesus comes back and gave them their judgment while still alive. Quite a number said that they would rather not discuss the subject. As evident in the radio interview, the issue of death draws mixed reactions and emotions among different people. Philosophers argue that the manner in which one dies determines the emotion

Coporate Governance Social Responsibility report Essay

Coporate Governance Social Responsibility report - Essay Example The employees are obligated to operate within the guidelines set by the HSSE&SP, which defines accountability standards for all operation levels. Compliance to the guidelines is monitored via processes of comprehensive assurance. Another important aspect of Shell UK’s Corporate Social Responsibility activities in relation to their employees regards safety. However, these two aspects are not always the case, especially where governments are not keen enough on enforcing the law. The paper also gives recommendations on how to implement CSR strategies more efficiently for Shell UK. Table of Contents Contents Page 1. Introduction†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦4 2. Findings†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦..4 2.1 Shell UK; A brief introduction†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.4 2.2 CSR/stakeholder theory†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦5 2.3 Shell UK’s stated position on CSR and employees†¦Ã¢â‚¬ ¦..5 2.4 Criticism of Shell UK’s performance†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦7 3. Conclusions†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.8 4. Recommendations†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦9 5. References†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦10 SHELL UK LTD. ... While they are some concerns that various strategies, especially those involving employees and other stakeholders are inspired by PR, employees have embraced the strategies as a way of externality internalization that emanate from the operations of the company. The labor market has increased CSR uptake by companies since the employees want to feel positive regarding their company and employment responsibilities. Thus, companies make commitments to CSR that are in line with the values of their employees. Companies can use this as an appropriate strategy to attract high quality employees. CSR is essential in attracting favorable employees to a company. This paper seeks to discuss the CSR strategies that Shell UK employs with their employees, including human rights and safety. While information on Shell’s CSR programs is scarce, general literature on its CSR strategies and those of the oil industry were useful. Findings Shell UK: A Brief Introduction Shell is a major contributor in the UK, not only in the provision of services and products, but also in investments, tax revenues, and employment that aid in boosting the economy. The company employs approximately 6,400 employees in the UK directly. These employees are essential to Shell UK’s core business of energy provision to millions of clients who rely on the energy for powering and heating. They are also essential in the company’s upstream business, where it has been a leading player for more than 30 years in the North Sea with interests in more than fifty fields, thirty sub-sea installations, thirty platform installations, a marine terminal, and three onshore gas plans (Aguilera et al, 2009: p840). The company is responsible for twelve percent of UK gas and oil supplies. Downstream employees are

History of Federation of Malaya Essay Example for Free

History of Federation of Malaya Essay The Federation of Malaya (Malay: Persekutuan Tanah Melayu) is the name given to a federation of 11 states (nine Malay states and two of the British Straits Settlements, Penang and Malacca) that existed from 1 February 1948 until 16 September 1963. The Federation became independent on 31 August 1957. It was reconstituted as Malaysia with the addition in 1963 of Singapore, Sabah, and Sarawak. History After World War 2, the British came again to Malaya and Britain suggested the formation of the Malayan Union. Malayan Union not only took away the power of the Malays over their nation, but also the rights that belong to the Malays. Then, the people of Malayan Union started to realise that their country has to be ruled by their own people and not to be ruled by other people of other nations. Due to opposition from Malay nationalists, the Union was disbanded and replaced by the Federation of Malaya, which restored the symbolic positions of the rulers of the Malay states in 1st of February 1948. The British government and Malaya leaders signing the agreement of establishing Federation of Malaya at King’s House, Kuala Lumpur. Within the Federation, while the Malay states were protectorates of the United Kingdom, Penang and Malacca remained British colonial territories. Like the Malayan Union before it, the Federation did not include Singapore, despite its traditional connections with Malaya. The Federation achieved independence within the Commonwealth of Nations on 31 August 1957. In 1963, the Federation was reconstituted as Malaysia when it federated with the British territories of Singapore, Sarawak, and British North Borneo (renamed Sabah); the latter territory was claimed to be a part of the Sultanate of Sulu. Singapore separated from Malaysia to become an independent republic on 9 August 1965. Agreement of Federation The Federation of Malaya Agreement was formulated by the British–Malay Pleno Conference between June and December 1946. At the end of the meeting, the Pleno Conference produced a 100-page Blue Book. The Federation of Malaya Agreement was signed on 21 January 1948 at King House by the Malay rulers, and by Sir Edward Gent as the representative of the British government. The Agreement superseded the Agreement creating the Malayan Union, and prepared for the establishment of the Federation of Malaya on 1 February 1948. The position of the Malay rulers was also restored. As with the Malayan Union, the Federation excluded Singapore, despite its traditional links to Malaya. List of member states * Johore * Kedah * Kelantan * Malacca * Negeri Sembilan * Pahang * Penang * Perak * Perlis * Selangor * Terengganu System of Government The government of the Federation of Malaya was headed by a British High Commissioner with executive powers, assisted and advised by the Federation of Malaya Executive Council and the Federation of Malaya Legislative Council. * The Federation of Malaya Executive Council comprised 7 official and 7 unofficial members. The Federation of Malaya Legislative Council comprised the High Commissioner as the Council President, 14 official and 50 unofficial members representing the Straits Settlements, business groups and all races. Additionally, 9 State Council Yang Di Pertua (heads of state), Chief Ministers and 2 representatives from the Straits Settlements became unofficial members. * The Malay Conference of Rulers would advise the High Commissioner on immigration issues. The British Resident was replaced with a Chief Minister in each state of the federation. Conditions of citizenship The conditions of citizenship of the Federation of Malaya were further tightened using law enforcement and naturalization by application. Under the laws, the following were automatically granted citizenship: 1. Citizens of the Sultan of any state 2. British citizens born in Penang or Malacca who have lived continuously for 15 years in the federation 3. British citizens born in the federation whose fathers were born or lived continuously for 15 years in the federation 4. Anyone born in the federation, conversant in the Malay language and following Malay traditions in his or her daily life 5. Anyone born in the federation whose parents were born and lived continuously for 15 years in the federation Via naturalization (by application), one could achieve citizenship, given these criteria: 1. Born and lived for at least 8 of 12 years in the Federation of Malaya before the application was made 2. Lived in the Federation of Malaya for at least 15 of 20 years before the application was made In both cases (via naturalization), applications must be well-behaved, swear allegiance and clarify their reasons for living in the federation, and are fluent in either the Malay or the English language. The Federation of Malaya, through its constitution, guarantees the rights and special position of the Malay people as well as rights, powers and sovereignty of the Malay rulers in their respective states. Separation of powers of the federal and state governments The federation agreement Perjanjian Persekutuan set the powers of the federal and state governments. Financial matters must be handled by the respective states. The Sultan was given full power on religious issues and Malay customs. Foreign policy and defense continued to be administered by the British government.

Deliverance: A Study of Medicaid and Managed Care Essay -- Health Medi

Deliverance: A Study of Medicaid and Managed Care Since the inception of Medicaid in 1965, the program has seen extraordinary growth in expenditures and enrollment. From 1989 to 1992, the increases in Medicaid spending were the largest since the program began in. Enrollment in Medicaid by AFDC families grew from 3.8 million in 1990 to 4.4 million in 1992, almost a nine percent annual increase (Coughlin et al. 1994). During this period, states were also experiencing the effects of a nationwide recession. Rapidly rising expenditure levels stretched revenue streams to their limits. In efforts to save money, states looked primarily at the benefits of managed care, which was becoming a successful delivery and financing system (Ruggie 1996). Medicaid patients had a history of using emergency rooms for problems such as colds, flues, and other minor illnesses. Medicaid paid $75 for an emergency room visit in 1995, but only $29 for a physician’s office visit (Lutz 1995). Medicaid officials hoped that placing the patient in contact with a primary care physician would encourage the use of preventative medicine, thereby holding down costs. States began Medicaid managed care programs using the AFDC population as guinea pigs. With waivers allowed under Section 1115 of the Social Security Act, states restructured their Medicaid programs (Rotwein et al. 1995). This was the single largest Medicaid innovation of the 1990s (Couglin et al. 1999). Between 1991 and 1996, enrollment of Medicaid clients in managed care increased by a factor of six (Thompson and DiIulio 1998). Many reasons accompanied the assertion that the AFDC population would benefit the most from managed care. The women and children of AFDC could take advantage of the ... ...cience Review 67: 1174-1185. Key, V.O., Jr. 1999, reprinted. Southern Politics in State and Nation. Knoxville: University of Tennessee Press. Lutz, Sandy. 1995. â€Å"For Real Reform, Watch the States.† Modern Healthcare 25: 31- 35. Rotwein, Suzanne, Maria Boulmetis and Paul J. Boben. 1995. â€Å"Medicaid and State Health Care Reform: Process, Programs, and Policy Options.† Health Care Financing Review 16: 105-120. Ruggie, Mary. 1996. Realignments in the Welfare State: Health Policy in the United States, Britain, and Canada. New York: Columbia University Press. Thompson, Frank J., and John J. DiIulio Jr., eds. 1998. Medicaid and Devolution: A View from the States. Washington, D.C.: Brookings Institution Press. Walker, Jack. 1969. â€Å"The Diffusion of Innovations Among the American States.† American Political Science Review 63: 880-899.

Split Sisters and Split Personalities of Goblin Market Essay -- Goblin

Split Sisters and Split Personalities of Goblin Market  Ã‚     Ã‚  Ã‚   "I have 50 different personalities, and still I’m lonely" (Amos). Perhaps everyone is truly composed of multiple personalities embodied within one whole. Whether these split personalities are actual or purely metaphorical, no one human being has a single sided mind, and a single sided position on everything. Within the brain many battles are raged between opposing sides of issues, between the personalities. "Goblin Market" is one of Christina Rosetti’s "sister" poems, a form in which she used sisters to "represent different aspects of the split personality that was caused by conflicting attitudes and mixed emotions towards love" (Bellas 66). The two opposing young sides of a single person’s brain are separated into two different beings, two sisters. During the poem, the two sisters, Laura and Lizzie, contrast and become contrasting opinions and factions on love, femininity, and sensuality, eventually maturing and reconciling their conflicting beliefs into a mutual ground. "Laura’s love of the fruit is insatiable" (Mayberry 90). Lizzie is a more Victorian image of love "cautious, timid, and tedious" (Mayberry 43). In the Victorian days respectable women were expected to be good Christian women. Rossetti is a demonstration of these expectations. In reference to the awkward moral at the end of the poem Martine Brownley says. "Undoubtedly that was the only way that the quiet devoted recluse could tolerate what she had procured in the poem. The woman who pasted pieces of paper over the more explicit lines in Swinburne’s poetry could never have faced the actual implications of the stunningly effective parable†¦ which somehow welled up from her unconscious self" ... ...look" for the first time in her life. The Victorian element of the 1800s has been brought down to a more reasonable level through Lizzie. The wild feminist in Laura has been tamed by the life threatening experience and the overpowering devotion of her sister.    Works Cited Amos, Tori. "Tori Amos in Conversation." Baktabak Recordings 1997. Bellas, Ralph A. Christina Rossetti . Illinois State University, Twayne Publishers Boston, 1977. Harrison, Anthongy H. Christina Rossetti in Context. University of NC Press, Chapel Hill and London: 1988. Mayberry, Katherine J. Christina Rossetti and the Poetry of Discovery. Louisiana State University Press, Baton Rouge and London. 1989. Brownley, Martine Watson, "Love and Sensuality in Christina Rossetti’s ‘Goblin Market." Essays in Literature 1979 Western Illinois University Vol. No. 2 Rpt in TCLC.   

Bacteria and Growth Temperature

INTRODUCTION The environments of Earth include conditions in which physical and chemical extremes make it very difficult for organisms to survive. Conditions that can destroy living cells and biomolecules include high and low temperatures; low amounts of oxygen and water; and high levels of salinity, acidity, alkalinity, and radiation. Examples of extreme environments on Earth are hot geysers and oceanic thermal vents, Antarctic sea ice, and oxygen-depleted rivers and lakes. Organisms that have evolved special adaptations that permit them to live in extreme conditions are called â€Å"extremophiles. â€Å"Photo by: Dmitry Pichugin â€Å"Thermophiles† are microorganisms with optimal growth temperatures between 60 and 108 degrees Celsius, isolated from a number of marine and terrestrial geothermally-heated habitats including shallow terrestrial hot springs, hydrothermal vent systems, sediment from volcanic islands, and deep sea hydrothermal vents. -Encyclopedia of Environmenta l Microbiology, 2002. vol. 3. Temperature and bacteria The lowest temperature at which a particular species will grow is the minimum growth temperature, while the maximum growth temperature is the highest temperature at which they will grow.The temperature at which their growth is optimal is called the optimum growth temperature. In general, the maximum and minimum growth temperatures of any particular type of bacteria are about 30 °F (-1 °C) apart. Most bacteria thrive at temperatures at or around that of the human body 98. 6 °F (37 °C), and some, such as Escherichia coli, are normal parts of the human intestinal flora. These organisms are mesophiles (moderate-temperature-loving), with an optimum growth temperature between 77 °F (25 °C) and 104 °F (40 °C).Mesophiles have adapted to thrive in temperatures close to that of their host. Psychrophiles, which prefer cold temperatures, are divided into two groups. One group has an optimal growth temperature of about 59 ° F (15 °C), but can grow at temperatures as low as 32 °F (0 °C). These organisms live in ocean depths or Arctic regions. Other psychrophiles that can also grow at 32 °F (0 °C) have an optimal growth temperature between 68 °F (20 °C) and 86 °F (30 °C). These organisms, sometimes called psychrotrophs, are often those associated with food spoilage under refrigeration.Thermophiles thrive in very hot environments, many having an optimum growth temperature between 122 °F (50 °C) and 140 °F (60 °C), similar to that of hot springs in Yellowstone National Park. Such organisms thrive in compost piles, where temperatures can rise as high as 140 °F (60 °C). Extreme thermophiles grow at temperatures above 195 °F (91 °C). Along the sides of hydrothermal vents on the ocean bottom 217 mi (350 km) north of the Galapagos Islands, for example, bacteria grow in temperatures that can reach 662 °F (350 °C). pH and bacteriaLike temperature, pH also plays a role in dete rmining the ability of bacteria to grow or thrive in particular environments. Most commonly, bacteria grow optimally within a narrow range of pH between 6. 7 and 7. 5. Acidophiles, however, prefer acidic conditions. For example, Thiobacillus ferrooxidans, which occurs in drainage water from coal mines, can survive at pH 1. Other bacteria, such as Vibrio cholera, the cause of cholera, can thrive at a pH as high as 9. 0. Osmotic pressure and bacteria Osmotic pressure is another limiting factor in the growth of bacteria.Bacteria are about 80-90% water; they require moisture to grow because they obtain most of their nutrients from their aqueous environment. Examples of Extreme Communities Deep Sea. The deep sea environment has high pressure and cold temperatures (1 to 2 degrees Celsius [33. 8 to 35. 6 degrees Fahrenheit]), except in the vicinity of hydrothermal vents, which are a part of the sea floor that is spreading, creating cracks in the earth's crust that release heat and chemical s into the deep sea environment and create underwater geysers.In these vents, the temperature may be as high as 400 degrees Celsius (752 degrees Fahrenheit), but water remains liquid owing to the high pressure. Hydrothermal vents have a pH range from about 3 to 8 and unusual chemistry. In 1977, the submarine Alvin found life 2. 6 kilometers (1. 6 miles) deep near vents along the East Pacific Rise. Life forms ranged from microbes to invertebrates that were adapted to these extreme conditions. Deep sea environments are home to psychrophiles (organisms that like cold temperatures), hyperthermophiles (organisms that like very high temperatures), and piezophiles (organisms adapted to high pressures).Hypersaline Environments. Hypersaline environments are high in salt concentration and include salt flats, evaporation ponds, natural lakes (for example, Great Salt Lake), and deep sea hypersaline basins. Communities living in these environments are often dominated by halophilic (salt-loving) organisms, including bacteria, algae, diatoms, and protozoa. There are also halophilic yeasts and other fungi, but these normally cannot tolerate environments as saline as other tax. Deserts. Deserts can be hot or cold, but they are always dry.The Atacoma desert in Chile is one of the oldest, driest hot deserts, sometimes existing for decades without any precipitation at all. The coldest, driest places are the Antarctic Dry Valleys, where primary inhabitants are cyanobacteria, algae, and fungi that live a few millimeters beneath the sandstone rock surface. Although these endolithic (living in rocks) communities are based on photosynthesis, the organisms have had to adapt to long periods of darkness and extremely dry conditions.Light dustings of snow that may melt in the Antarctic summer are often the only sources of water for these organisms. Ice. Permafrost, and Snow. From high-altitude glaciers, often colored pink from red-colored algae, to the polar permafrost, life has evolved t o use frozen water as a habitat. In some instances, the organisms, such as bacteria, protozoa, and algae, are actually living in liquid brine (very salty water) that is contained in pockets of the ice. In other cases, microorganisms found living on or in ice are not so much ice lovers as much as ice survivors.These organisms may have been trapped in the ice and simply possessed sufficient adaptations to enable them to persist. Atmosphere. The ability for an organism to survive in the atmosphere depends greatly on its ability to withstand desiccation and exposure to ultraviolet radiation. Although microorganisms can be found in the upper layers of the atmosphere, it is unclear whether these constitute a functional ecosystem or simply an aerial suspension of live but largely inactive organisms and their spores. Outer Space.The study of extremeophiles and the ability of some to survive exposure to the conditions of outer space has raised the possibility that life might be found elsewhe re in the universe and the possibility that simple life forms may be capable of traveling through space, for example from one planet to another. Research Findings Newfound gene may help bacteria survive in extreme environments Resulting microbial lipids may also signify oxygen dips in Earth’s history. Jennifer Chu, MIT News Office July 26, 2012 A newly discovered gene in bacteria may help microbes survive in low-oxygen environments.A bacterial cell with the gene, left, exhibits protective membranes. A cell without the gene, right, produces no membranes. Image: Paula Welander In the days following the 2010 Deepwater Horizon oil spill, methane-eating bacteria bloomed in the Gulf of Mexico, feasting on the methane that gushed, along with oil, from the damaged well. The sudden influx of microbes was a scientific curiosity: Prior to the oil spill, scientists had observed relatively few signs of methane-eating microbes in the area. Now researchers at MIT have discovered a bacterial gene that may explain this sudden influx of methane-eating bacteria.This gene enables bacteria to survive in extreme, oxygen-depleted environments, lying dormant until food such as methane from an oil spill, and the oxygen needed to metabolize it become available. The gene codes for a protein, named HpnR, that is responsible for producing bacterial lipids known as 3-methylhopanoids. The researchers say producing these lipids may better prepare nutrient-starved microbes to make a sudden appearance in nature when conditions are favorable, such as after the Deepwater Horizon accident.The lipid produced by the HpnR protein may also be used as a biomarker, or a signature in rock layers, to identify dramatic changes in oxygen levels over the course of geologic history. â€Å"The thing that interests us is that this could be a window into the geologic past,† says MIT Department of Earth, Atmospheric and Planetary Sciences (EAPS) postdoc Paula Welander, who led the research. â€Å" In the geologic record, many millions of years ago, we see a number of mass extinction events where there is also evidence of oxygen depletion in the ocean.It’s at these key events, and immediately afterward, where we also see increases in all these biomarkers as well as indicators of climate disturbance. It seems to be part of a syndrome of warming, ocean deoxygenation and biotic extinction. The ultimate causes are unknown. † Welander and EAPS Professor Roger Summons have published their results this week in the Proceedings of the National Academy of Sciences. This image shows that 5 different extreme environments that the extremeophile live. Such as, Sea Vennts at sea floor, Yellowstone Hotsprings, Antartica Subglacial Lakes, at Atacama Desert, and lastly at Jupiter (Space).Europa is one of Jupiter’s moons, and is covered in ice. Scientists have recently uncovered strong evidence of liquid water beneath Europa’s ice, which may be due to hydrothermal vent s, which may in turn host bacteria. Credit: Nicolle Rager Fuller, NSF REFFERENCES 1. http://science. jrank. org/pages/714/Bacteria. html#ixzz28JlGDpue 2. Horikoshi, K. , and W. D. Grant. Extremophiles: Microbial Life in Extreme Environments. New York: Wiley-Liss, 1998. 3. Madigan, M. T. , and B. L. Marrs. â€Å"Extremophiles. † Scientific American 276, no. 4 (1997): 82–87. 4.Rothschild, L. J. , and R. L. Mancinelli. â€Å"Life in Extreme Environments. † Nature 409 (2001): 1092–1101. 5. Seckbach, J. , ed. Journey to Diverse Microbial Worlds: Adaptation to Exotic Environments. Dordrecht, Netherlands: Kluwer Academic Publishers, 2000. 6. http://www. biologyreference. com/Ep-Fl/Extreme-Communities. html#b#ixzz28Jn5EptD 7. http://www. nsf. gov/news/special_reports/sfs/index. jsp? id=life;sid=ext ASSIGNMENT 1 BACTERIAS THAT LIVE IN EXTREAM ENVIRONMENT NAME : SARANKUMAR PERUMALU MATRIX NO : 4112033021 LECTURER : MR MOOHAMAD ROPANING SULONG

Chicago essays

Chicago essays In 1890, Congress approved a World's Columbian Exposition in Chicago, to celebrate the 400th anniversary of the discovery of America. During the second half of the 19th century there were fairs and expositions held in London, Paris, and other great cities throughout the world. The World's Columbian Exposition, held in 1893, was the first significant and economically successful U.S. world's fair. In this paper I will discuss the history of the Columbian Exposition by analyzing and answering these important components. Why was it built? Who attended? What were the attractions? Finally, I will end with a discussion about the Nations connection to the rest of the world during the Columbian Exposition. In order to have a successful worlds fair you must find someone whom can make such a dream into a reality. Beginning in 1891, the Exposition's Chief Planner, Daniel Burnham and Chief Landscape Architect, Fredrick Olmstead, managed the design and construction. Olmstead chose marshy Jackson Park to create his visions. A group of well-known architects, including Henry Ives Cobb (Fish and fisheries building) Richard Morris Hunt (Administration building) Charles McKim- ( Agricultural building) George B. Post (Manufactures building) and Louis Sullivan (transportation building) Sophie Hayden (Woman's Building.) Other architects that took part include, W. L. B. Jenney (Horticultural Building) Peabody Planners selected a neo-classical architectural theme for the fair over the objections of the more original Chicago architects. Although two architects shunned the neo-classical style. Cobb the designer of the famo...

How to Replace a Lost or Stolen Social Security Card

How to Replace a Lost or Stolen Social Security Card Replacing your lost or stolen Social Security card is something you may not really need or want to do. But if you do, here is how to do it. Why You Might Not Want to Replace the Card According to the Social Security Administration (SSA), it is far more important that you simply know your Social Security number than it is to actually carry your card with you.While you may need to know your Social Security number for filling out various applications, you are rarely required to actually show anyone your Social Security card. You do not even need your card when applying for Social Security benefits. In fact, if you carry your card with you, the more likely it is to be lost or stolen, greatly increasing your risk of becoming an identity theft victim. Guard Against Identity Theft First Before you even start thinking about replacing your lost or stolen Social Security card, you need to take steps to protect yourself from identity theft.If your Social Security card has been lost or stolen, or if you suspect your Social Security number is being used illegally by someone else, the SSA and the Federal Trade Commission (FTC) recommend that you take the following steps as soon as possible: Step 1 Place a fraud alert on your credit file to prevent identity thieves from using your Social Security number to open credit accounts in your name or access your bank accounts. To place a fraud alert, simply call the toll-free fraud number of any one of the three nationwide consumer reporting companies. You only need to contact one of the three companies. Federal law requires the company you call to contact the other two. The three nationwide consumer reporting companies are: Equifax - 1-800-525-6285Trans Union - 1-800-680-7289Experian - 1-888-397-3742 Once you place a fraud alert, you are entitled to request a free credit report from all three credit reporting companies. Step 2 Review all three credit reports looking for any cases of credit accounts you did not open or charges to your accounts you did not make. Step 3 Immediately close any accounts you know or think have been used or created illegally. Step 4 File a report with your local police department. Most police departments now have specific identity theft reports and many have officers dedicated to investigating identity theft cases. Step 5 File an identity theft complaint online with the Federal Trade Commission, or by calling them at 1-877-438-4338 (TTY 1-866-653-4261). Do Them All Note that credit card companies may require you to take all 5 steps show above before they will forgive fraudulent charges made to your accounts. And Now Replace Your Social Security Card There is no charge for replacing a lost or stolen Social Security card, so watch out for scammers offering card replacement services for a fee. You can replace your own or your childs card, but you are limited to three replacement cards in a year and 10 during your lifetime. Replacing a card because of legal name changes or changes in U.S. citizenship and naturalization status does not count against those limits.To get a replacement Social Security card you will need to: Complete Form SS-5 - Application for a Social Security Card. (This form can be used to apply for a new card, to replace your card or to correct information shown on your card.);Present an unexpired original document, like a drivers license, with identifying information and preferably a recent photograph that proves your identity;Show evidence of your U.S. citizenship if you were born outside the United States and did not show proof of U.S. citizenship when you got your original card; andIf you are not a U.S. citizen, show evidence of your current naturalization or lawful noncitizen status. Replacement Social Security cards cannot be applied for online. You must either take or mail the completed SS-5 application and all required documents to your local Social Security Office. To find your local Social Security service center, see the SSAs Local Office Search website. 12 or Older? Read This Since most Americans are now issued a Social Security number at birth, anyone aged 12 or older applying for an original Social Security number must appear in person at a Social Security office for an interview. You will be asked to produce documents proving that you do not already have a Social Security number. These documents could include school, employment or tax records showing you never had a Social Security number. Documents You Might Need U.S. born adults (age 12 and older) will need to produce documents proving their U.S. citizenship, and identity. The SSA will only accept original or certified copies of documents. In addition, SSA will not accept receipts showing that the documents had been applied for or ordered. Citizenship To prove U.S. citizenship, the SSA will only accept an original or certified copy of your U.S. birth certificate, or your U.S. passport. Identity Clearly, the goal of the SSA is to prevent unscrupulous people from obtaining multiple Social Security numbers under fraudulent identities. As a result, they will only accept certain documents to prove your identity.To be accepted, your documents will need to be current and show your name and other identifying information like your date of birth or age. Whenever possible, documents used to prove your identity should a recent photograph of you. Examples of acceptable documents include: State-issued U.S. drivers license;State-issued non-driver identification card; orU.S. passport. Other documents that might be acceptable include: Company employee ID card;School ID card;Non-Medicare health insurance plan card; orU.S. military ID card. The SSA also provides information on how to get new, replacement, or corrected Social Security cards for children, foreign-born U.S. citizens and noncitizens.