Science & Nature Essays and Term Papers

Discussions On Darwin

Man, due to a force unknown to him for millions of years, rose to the very top of the organic scale. Only in the past one hundred years have men finally put aside their Biblical and mythical tales about creation, and looked to the facts in order to piece together a logical explanation for the ...

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The Rain Forest - Example Of A Flourishing Ecosystem

Simply stated the word "ecology" means the relationship of living things to their surrounding and to each other. The rainforest is on of the biggest and best examples of a flourishing ecosystem. With the almost unlimited amount of species found within the rainforest something new is bound to be ...

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Epilepsy Decision

Epilepsy is a very common disorder and the international researches and surveys shows that 1 adult from 200 people suffers by epilepsy. There are several forms of epilepsy and every form causes another epileptic attack. Epilepsy is spread world wide, but it is a fact that this disorder is not well ...

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Alcoholism 4

"Alcohol is a socially acceptable, legal drug that is consumed by the majority of Americans without problems to themselves or others (Milgram xiii)." Misuse of alcohol can lead to alcoholism, one of the most widespread and complex problems in America. The reasons some people become dependent ...

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Coral

reefs are arguably the world's most beautiful habitats. reefs have been called the rainforests of the oceans, because of the rich diversity of life they support. Scientists have not yet finished counting the thousands of different species of plants and animals that use or live in the reef. ...

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Effects Of Smoking

According to the American Lung Association, there are an estimated 50 million people who smoke. For some reason people just do not fully understand the risks they take by smoking. Cigarette smoking is a frequent cause for many health problems with smokers. To begin with, there are many hazardous ...

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The Platypus

is an extraordinary animal. It is very unique because there aren’t may animals like it. Platypus can be found along the eastern coast of Australia, in its rivers, streams and lakes. can also be found on the island of Tasmania and as far north as Queensland. resides mostly in the southern ...

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The Element Carbon And Its Importance

Carbon is one of the most important chemical elements. Industry uses it in a wide variety of products, and all living things are based on carbon. Without carbon, life would be impossible! Yet carbon makes up less than 0.03 percent of the earth's crust. Pure carbon exists in nature in the form ...

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Depression 4

Depression (psychology), mental illness in which a person experiences deep, unshakable sadness and diminished interest in nearly all activities. People also use the term depression to describe the temporary sadness, loneliness, or blues that everyone feels from time to time. In contrast to normal ...

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Monosaccharides

also called SIMPLE SUGAR, any of the basic compounds that serve as the building blocks of carbohydrates. are polyhydroxy aldehydes or ketones; that is, they are molecules with more than one hydroxyl group (-OH), and a carbonyl group (C=O) either at the terminal carbon atom (aldose) or at the ...

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Nuclear Power

Most of the world's electricity is generated by either thermal or hydroelectric power plants. Thermal power plants use fuel to boil water which makes steam. The steam turns turbines that generate electricity. Hydroelectric power plants use the great force of rushing water from a dam or a ...

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Wilderness Required

From the outlying mountains to the barren deserts; from the boundless oceans to the depths of the rainforests, wilderness is a necessity to the inhabited world. It is not that one needs wilderness for the purpose of survival, but rather for exploration, enjoyment, and a balance in life. A world ...

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Deforestation In The Brazilian Amazon

After Russia, Canada, China and the United States, Brazil is the fifth largest country in the world. It is the biggest country in South America and takes up almost half of the continent's area. Its northern part is called Amazonia, after the Amazon river, which runs through it. This region ...

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Global Warming 3

Global Warming is a big problem in today¡¦s society. Global Warming also known as the Greenhouse effect is a problem everyone will soon have to face. The people of the younger generations should be educated about what Global Warming is and that it is caused due to the way people are treating the ...

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Alcohol

"It discloses secrets; ratifies and confirms our hopes; thrusts the coward forth to battle; eases the anxious mind of its burthen; instructs in arts. Whom has not a cheerful glass made eloquent! Whom not quite free and easy from pinching poverty!" Initially, I wanted to write this paper on ...

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The Cambrian Period

During a lot of things happened both geologically and biologically. The Cambrian Period was the first period of the Paleozoic Era, it lasted from 570 million years ago to 500 million years ago, 70 million years. It¹s very important because it corresponds with the firs t appearance of abundant ...

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Preservation Of The Environment

Predicting the fate of the Earth has long been a gloomy business, a profession where bad things only seem to get worse over time. From books like "The Population Bomb" to "The End of Nature," ecological pundits of the past 40 years have forecast a dark future of pollution, extinction and growing ...

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What Is Macroevolution?

In science, macro at the beginning of a word just means "big", and micro at the beginning of a word just means "small" (both from the Greek words). In evolutionary biology today, macroevolution is used to refer to any evolutionary change at or above the level of species. It means the splitting of ...

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New Technologies In Television

The future of home television is at a crossroads with new technologies available in every direction. Will recordable DVD replace the home VCR? Will HDTV succeed with consumers? What is affecting the mass rollout of these new technologies? The DVD story is a classic computer technology ...

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Facts About Orthoptera

Where they live. Field crickets, the familiar black or brownish crickets are often abundant in meadows and fields. Also in dwellings or in small clusters in the ground. Tree Crickets are more often heard then seen. Usually colored green these slender crickets live in shrubs and trees. Mole ...

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Newton's Method: A Computer Project

Newton's Method is used to find the root of an equation provided that the function f[x] is equal to zero. Newton Method is an equation created before the days of calculators and was used to find approximate roots to numbers. The roots of the function are where the function crosses the x axis. ...

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Bovine Spongiform Encephalopathy

(BSE) is a relatively new disease found primarily in cattle. This disease of the bovine breed was first seen in the United Kingdom in November 1986 by histopathological examination of affected brains (Kimberlin, 1993) . From the first discovery in 1986 to 1990 this disease developed into a ...

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Cloning And Its Implications

Imagine having two of every person in the world running around. Every two people have the same DNA, therefore, the same blood type, same appearance, same fingerprints, the same person. This has the capability to create several problems. Scientists have been experimenting with the idea of cloning ...

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Phosphorus: Chemical Reactions Of Phosphorus And Its Importance

Abstract: Aluminum sulfate reacts with phosphates to create aluminum phosphate and a sulfate. The conversion of the phosphate to aluminum phosphate is very important because this allows the phosphate to be easily extracted. This manipulation is used today in industrial waste treatment sights. ...

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Lenz's Law And Faraday's Law Of Induction

1. With this definition of the flux being , we can now return to Faraday's investigations. He found that the magnitude of the emf produced depends on the rate at which the magnetic flux changes. Faraday found that if the flux through N loops of wire changes by an amount , during a time delta t, ...

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