Blood Diamonds: The Real Cost of Diamonds Sierra Leone is blessed with some of the world’s richest resources such as titanium‚ gold‚ and diamonds. Despite these rich resources‚ Sierra Leone ranked last on the United Nations Development Programme’s Human Development Index in 2001‚ making Sierra Leone the poorest country in the world at that time. (Renner‚ 2002‚ p. 22) So how can a country so rich in resources be so poor? Sierra Leone’s extreme poverty level is caused by the diamonds they mine and
Premium Sierra Leone Diamond Blood diamond
58 60 67 68 72 80 81 83 86 These notes may be used freely by A level biology students and teachers‚ and they may be copied and edited. Please do not use these materials for commercial purposes. I would be interested to hear of any comments and corrections. Neil C Millar (nmillar@ntlworld.co.uk) Head of Biology‚ Heckmondwike Grammar School High Street‚ Heckmondwike‚ WF16 0AH July 2011 HGS Biology A-level notes NCM/7/11 AS Biology Unit 1 page 2 Biology Unit 1 Specification
Premium Protein Amino acid Enzyme
In Saving Normal‚ Frances‚ who is the former chairman of the task force that organized the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders‚ warns readers that the DSM-5‚ offers an irresponsible set of proposals that will turn everyday stressors into mental illnesses. Outlining faddish syndromes of the past‚ Frances argues that whenever we freely label a set of human behaviors as a "disease‚" we lost a bit of our diversity and adjustability. Frances acknowledges that we all
Premium Medicine Pharmacology Health care
Is increased Consumerism a good thing? Consumerism is social and economic order that is based on the systematic creation and fostering of a desire to purchase goods or services in ever greater amounts. In other words‚ increased consumerism also increases consumption of goods. In today’s society consumerism is often portrayed to be a negative aspect of people’s lives and purchasing behaviours‚ which inevitably leads to materialism. So‚ increased consumerism has many disadvantages‚ such
Free Pollution Waste Air pollution
NANOBOTS: THE ARTIFICIAL BLOOD [pic] AUTHOR: S.KALAIYARASAN M.Kumarasamy College of Engineering‚ Karur A.MATHIYAZHAGAN M.Kumarasamy College of Engineering‚ Karur Contact: +91-9789543609 Email ID: kalaisaravanan4@gmail.com [pic] INTRODUCTION Robert A. Freitas Jr. visualizes a future "vasculoid" (vascular-like machine) that would replace human blood with some 500 trillion nanorobots distributed throughout the body’s vasculature as a coating. It could eradicate
Premium Blood Oxygen Carbon dioxide
needing a blood transfusion. The scene is all too real and it happens every day. In a single car accident‚ a person could need up to 100 pints of blood. The average person can donate 3 pints every 56 days (redcrossblood.org). This is why‚ today‚ I urge you to go out and donate blood. I know some of you may hate the thought of needles or think that giving blood won’t really help. But‚ please consider what I say and make a better informed decision after hearing the benefits of donating blood. People
Premium Blood Blood donation Blood bank
Blood Disorders Teresa Webber HCA/240 10/12/2013 Dr. Jillian Bennett Blood Disorders There are several types of blood disorders and causes for these disorders vary from one medical problem to another. It is important to gather a patient’s symptoms and carefully examine them to make the correct diagnosis because there are too many categories that simple symptoms can fall under. This paper will explain the purpose of plasma‚ red blood cells‚ and platelets. It will also share scenarios of
Premium Blood Coagulation
Red blood cell From Wikipedia‚ the free encyclopedia [pic] Human red blood cells (6-8μm) Red blood cells (also referred to as erythrocytes) are the most common type of blood cell and the vertebrateorganism’s principal means of delivering oxygen (O2) to the body tissues via the blood flow through thecirculatory system. They take up oxygen in the lungs or gills and release it while squeezing through the body’scapillaries. These cells’ cytoplasm is rich in hemoglobin‚ an iron-containing biomolecule that
Premium Red blood cell
may have the sickle cell trait. I would say that it would be hard to determine if Devon has a blood disorder because he has no symptoms. I do think that Devon is at risk of having sickle cell. Sickle cell is a disease that is inherited. African-Americans are at greater risk for the disease than any other ethnic group. Sickle cell is caused by genetic abnormality. It is diagnosed by a blood test. The blood test measures the amount of abnormal sickle hemoglobin. Sickle cell can be treated by medications
Premium Hemoglobin Blood Red blood cell
Antioxidant Effects on Reactive Oxygen Species Abstract Antioxidants are among key molecules for a healthy living. Antioxidants are molecules that prevent damage of cells through inhibition of oxidizing agents such as free radicals. This experiment was aimed at investigating the role of antioxidant on the inhibition of reactive oxygen species. To demonstrate this‚ quercetin was used as antioxidant and its effect on reactive oxygen species examined. RAW 264.7 cells
Premium Oxygen Antioxidant Hydrogen peroxide