DNA DNA, or Deoxyribonucleic Acid, is described, in Encarta Encyclopedia as a genetic material of all cellular organisms and most viruses. DNA carries the information needed to direct protein synthesis and replication. Protein synthesis is the production of the proteins needed by the cell or virus for its activities and development. Replic...
Salmonella Typhi is a very contagious infection in the intestines that affects the whole body. It is called by a bacteria called Salmonella Typhi that is found in the stools of an infected person. Most people in the United States get typhoid as a result of visiting another country. Typhoid is spread when a person eats food or water contamina...
Isaac Newton, (also known as Sir Isaac Newton), is known as a great scientist by many people. He was born on December 25 in the year 1642 in Woolsthorpe, England. His father died before he was born and left his family without much money. Isaacs mother soon remarried and had three more children. His mother expected him to manage the farm, bu...
The contains one of the brightest star clusters in the night sky. With a magnitude of 4, this nebula is easily visible from the Northern Hemisphere during the winter months. It is surprising, therefore, that this region was not documented until 1610 by a French lawyer named Nicholas-Claude Fabri de Peiresc. On March 4, 1769, Charles Messier...
is war fought with chemicals. The development of chemical weapons and defenses against these weapons are usually considered together in military training. These weapons can be designed to kill large numbers of people, disable them for a while, or destroy their food supplies. The weapons are usually effective without destroying property. Che...
The use of drugs among Americans is rapidly rising. They can be bought and sold almost anywhere, from the streets to hallways of schools. A drug on the rapid rise from the 70's is LSD. Some people attribute this to the fact it is extremely inexpensive, $2-4 a hit, the wrong belief by users that it is a safer drug than marijuana because it i...
Taking the Pill: Depression and Social Stigma Depression is widespread in today's society and is called 'the common cold of mental health problems.' But despite its prevalence, people are wary about the use of a pill in order to chase the blues away. Some even liken anti-depressants to Soma as depicted in Aldous Huxley's Brave New Wo...
-. GLOBAL WARMING In 1992 the United States and nations from around the world met at the United Nations Earth Summit in Rio and agreed to voluntarily reduce greenhouse gas emissions to 1990 levels by the year 2000. The Rio Treaty was not legally binding and, because reducing emissions would likely cause great economic damage, many nations wil...
These days Intranets are becoming more and more popular throughout the business world and other types of organizations. Many companies and organizations are already making this change and many more are considering it. The advantages offered by Intranets when compared to other types of networks are many, at a reduced cost for the owner. Less mai...
Computer Graphics Table of Contents Introduction 3 How It Was 3 How It All Began 4 Times Were Changing 6 Industry's First Attempts 7 The Second Wave 10 How the Magic is Made 11 Modeling 12 Animation 13 Rendering 13 Conclusion 15 Bibliography 16 Introduc...
is a chronic bacterial disease of the skin, nerves in the hands and feet and, in some cases, the lining of the nose. is a rare disease in the United States. Anyone can get leprosy, but children seem to be more susceptible than adults. It is not clear how the leprosy germ is spread, but household and prolonged close contact is im...
COMETS have been witnessed ever since man has been speculating about objects in the nighttime sky and appear in records from the beginning of recorded civilization (Schweighauser 20). are made up of four distinct features. The first is the nucleus. The nucleus is made up of frozen gases, mostly water vapor with lesser amounts of car...
are facial birth defects. A cleft lip affects the upper lip, ranging from a notch to a complete fissure extending into the nose. A cleft palate affects the roof of the mouth, with a groove that may extend through the dental arch. These abnormalities may occur separately or together. Cleft lip and palate are facial malformations t...
INTRODUCTION Today in society there is a lot of pressure on the perfect image. Image is the way that everything is judged in the world. So with that perspective in mind, the search for the "perfect body" is what everyone is looking for. But with all of the commotion that is happening, very few people want to put in a solid effort in ord...