Science & Nature Essays and Term Papers


is an extremely rare genetic disease that was first identified in 1948 by W.L. Donohue. There have only been 49 cases reported worldwide since is first reporting in 1948 until 1987. This disease is also known as Donohue Syndrome, in his honor. Most patients die by the age of 10 months, ...

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Klinefelter Syndrome

, also called testicular dysgenesis, is the phenotype of the 47,XXY genotype and is characterized by male hypogonadism and infertility. is probably the most common chromosomal variation found in humans. In random surveys, it is found to appear about once in every 500 to one in every 1,000 live ...

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Did Duhem Show That Scientific Theories Can Be Neither True

The question as to whether scientific theories can be shown to be true or false is a complex one. The answer depends on one's interpretation of the meaning of theory. To what does it refer? Is its role to reveal the nature of reality, or is it merely a human construct? In which case what do we ...

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The Human Eye In Space

by Lambert Parker (edited) Human visual hardware is a result of a billion years of evolution within the earths atmosphere where light is scattered by molecules of air, moisture, particular matter etc. However as we ascend into our atmosphere with decrease density, light distribution is changed ...

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INTRODUCTION ............................................... 2 DARWINIAN THEORY OF .............................. 4 THE THEORY OF BIOLOGICAL : CONTRIBUTING ELEMENTS ..7 WALLACE'S CONTRIBUTIONS ................................... 13 HARDY-WEINBERG PRINCIPLE .................................. ...

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is a new technology very similar to compact discs. A looks just like an ordinary compact disc, however a can hold up too 6 times as much as a CD! That's 4.7 gigabytes! This gives enough room to hold an entire movie at twice the quality of VHS with theatre quality sound (better than CD-quality). ...

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Ebola Virus 2

The Ebola virus is a member of the virus family called Filoviridae. There are three strains of filoviruses: Ebola, Marburg, and Reston. All of these diseases are very fatal to monkeys and humans. The Ebola virus is airborne and can enter the body through any opening in the skin, especially ...

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Endangered Species

are living things whose population is so reduced that they are threatened with extinction. Thousands of species are included in this category. The International Union for the Conservation of nature and Natural Resources publishes a list of threatened mammals, birds, reptiles, amphibians, and ...

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Nuclear Proliferation

What is the status of the international nonproliferation of nuclear weapons? A. “Floating Chernobyl” B. Something to think about II. Statistics A. Russia’s nuclear arsenal B. US’ nuclear arsenal III. Treaties A. START I B. START II C. START ...

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According to Professor Wilmut of the Monash Mecical Center, "Creating a clone though these new methods calls into question our most sacred fundamental beliefs. It has the potential to threaten the sacred family bonds at the very core of our ideals and our society. At its worst, it could lead ...

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Plant Evolution

A long 3000 million years ago the earth was not suitable for life as the atmosphere contained little to no oxygen and without this, deadly ultra violet rays from the sun bombarded the unprotected surface. This lead to life beginning in the ocean where it was safe from the sun's rays. It was here ...

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Mountain Gorillas

Half man and half beast. This is what is usually said about the gorilla. They say that the gorilla is related to us. You can find in the Virunga Volcanoes, which are located on the boundaries of Zaire, Rwanda, and Uganda. The Virungas are 600 miles of tropical rainforest. You’ll ...

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Religion & Evolution

In my short life on this planet I have come to question things that many take upon blind faith. We all know that we must some day die; yet we continuously deny the forces at work inside ourselves, which want to search out the answers of what may or may not come after. It is far easier for humanity ...

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Local Area Network Bridges

Both the physical distance that Local Area Network (LAN) can cover and the number of hosts that can be attached to it are limited. To overcome this limitation, bridges are introduced as devices which connect LANs at the MAC layer. The purpose of bridges is to allow hosts attached to different LANs ...

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Cloning 5

Is there a good side to human cloning? Technology is changing the world as we know it. Not all of these advances in technology are viewed as positive. One of the breakthroughs that has received mixed responses is the issue of cloning. There has been much debate on this topic, and the debate is ...

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A Diamond is one of the two natural minerals that are produced from carbon. The other mineral is Graphite. Even though both of these minerals are produced from the same element ,carbon, they have totally different characteristics. One of the most obvious difference is that Diamond is hard and ...

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Acid Rain 5

This report involves a well description on acid rain as well as a focus on acid rain in eastern Canada. This report contains a very helpful basic background on acid rain as well as a questionnaire. It involves an annual report on the Federal-Provincial Agreements, sulphur dioxide emissions in ...

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An earthquake is shaking or trembling of the earth that is volcanic or tectonic in origin. "A broadly satisfying explanation of the majority of can be given in terms of what is called plate tectonics. The basic idea is that the Earth's outermost part also called the lithosphere consists of ...

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Genetic Engineering: A Leap In To The Future Or A Leap Towards Destruction

Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from an analytical engine, to a calculator, to a computer. However, science, in the past, has always remained ...

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is an organic fiber in the aromatic polyamide family. It has unique properties and a chemical composition that is its own, which distinguishes it from other man-made fibers. is a combination of high strength, high modulus (resistance to extension), toughness and thermal stability. has a wide ...

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Cloud formations have always been observed by people, many centuries before our time. People were always fond of . They always wondered why some were dark and others were white and fluffy, and why some are so up high and others were so low that they looked reachable by the human hands. The ...

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Limonene And Its Uses

United States Prevention, Pesticides EPA-738-F-94-030 Environmental Protection And Toxic Substances September 1994 Agency (7508W) R.E.D. FACTS Limonene Pesticide Reregistration All pesticides sold or distributed in the United States must be registered by EPA, based on scientific studies ...

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Cryogenics And The Future

Cryogenics is a study that is of great importance to the human race and has been a major project for engineers for the last 100 years. Cryogenics, which is derived from the Greek word kryos meaning "Icy Cold," is the study of matter at low temperatures. However low is not even the right word for ...

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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 ...

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From Legend To Science The Health Benefits Of Tea

From Legend to Science: the Health Benefits of Tea Throughout the world, tea and coffee rival each other as mankind's most popular brewed beverages. For thousands of years, however, tea has had one great advantage over coffee: it is believed to have a wide range of medicinal properties. In his ...

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