Search Essays
ESSAYPAL:  home join now members questions contact us  
 
     categories
   American History
   Arts and Plays
   Book Reports
   Creative Writing
   Economics
   English
   Geography
   Government
   Legal
   Medicine
   Miscellaneous
   Music
   People
   Poetry
   Religion
   Science
   Society
   Technology
   World History

Essays on Science

Depression..a Deadly Disease
Download This PaperWords: 1858 - Pages: 7

... you and you shrink from answering it.' …given by the famous writer W. Styrone, in his book entitled Darkness Visible, providing us with an in-dept description of his own personal experiences when he suffered from depression Over the course of the year, 17.6 million American adults suffer from a depressive illness. That is 10% of the population. (Pfizer, Dealing) Depression is a whole-body illness, including mind, mood, body, and thoughts. It effects everything from the way you sleep to the way you feel about yourself. It effects how you react and how you see things. Depressive illnesses often interfere with normal functioning and cause pain and suffering not o ...



Marie Curie And Her Discovery Of Radium And Polonium
Download This PaperWords: 1135 - Pages: 5

... the age of sixteen, Marie began earning her living as a tutor and governess for a family in Poland. This was a time when Russia dominated Poland and girls could not attend universities in Poland. Marie’s older sister, Bronya, had already left Poland to study medicine at a university in Paris. Marie sent a portion of her earnings as tutor and governess to Paris to help pay for her older sister’s medical studies. In 1891, when Marie was twenty- four years old, she was invited to live with Bronya upon her completion of medical school. This enabled Marie to enroll at the University of Paris and begin her own dream of becoming a university student. Marie studied ma ...



Environment Report: Tidal Power In The Bay Of Fundy
Download This PaperWords: 1554 - Pages: 6

... part of St. John is divided into 3 main areas: the main Harbor, Courtenay Bay and the Outer Harbor. These areas are influenced by the Bay of Fundy tides and the currents of the St John River which flow out of the main Habour into the Bay. This section also experiences two high and two low tides each day (semi - diurnal), with a tidal range varying from 15 to 18 feet, depending on the type of tides. High - water heights vary from 22 to 28 feet and low - water heights vary from 0 to 7 feet above chart data. Because of these semi - diurnal tides and the action of the St John River, slack water in the Habour occurs at approximately tides and not at ...



Alcoholism 2
Download This PaperWords: 799 - Pages: 3

... the former Union of Soviet Socialist Republics, and many European nations. This is paralleled by growing evidence of increasing numbers of alcohol-related problems in other nations, including the Third World. Development Alcoholism, as opposed to merely excessive or irresponsible drinking, has been variously thought of as a symptom of psychological or social stress or as a learned, maladaptive coping behavior. More recently, and probably more accurately, it has come to be viewed as a complex disease entity in its own right. Alcoholism usually develops over a period of years. Early and subtle symptoms include placing excessive importance on the availability of alc ...



Rutherford
Download This PaperWords: 359 - Pages: 2

... very different results. Although many of the particles did in fact go straight through the foil, some of them were deflected at large angles. Rutherford concluded that the deflections of the alpha particles were caused by a center of positive charge that contained most of the atom's mass (the nucleus). He also explained that the particles that went straight through the foil did so because the atom is mostly empty space and that the distance between electrons and the nucleus is vast compared to the size of the nucleus itself. In 1919, he discovered the "artificial disintegration" of nitrogen. His experiments show that under alpha radiation, nitrogen is decompose ...



The Chaos Theory
Download This PaperWords: 2353 - Pages: 9

... prime cause of a sudden, unexplained death. Ecologists explored the rise and fall of gypsy moth populations. Economists dug out old stock price data and tried a new kind of analysis. The insights that emerged led directly into the natural world- the shapes of clouds, the paths of lightning, the microscopic intertwining of blood vessels, the galactic clustering of stars." (Gleick, 1987) The man most responsible for coming up with the Chaos Theory was Mitchell Feigenbaum, who was one of a handful of scientists at Los Alamos, New Mexico when he first started thinking about Chaos. Feigenbaum was a little known scientist from New York, with only one publ ...



Autism
Download This PaperWords: 896 - Pages: 4

... become more noticeable as the child falls further behind other children the same age. Between 18 and 36 months old, they suddenly reject people, act strangely, and lose language and social skills they had already learned. During the 1950’s and 1960’s, people with were isolated and some were sent away to institutions. Today, many of those with can attend school with other children. Methods are available to help improve their social, language, and academic skills. Even though more than 60 percent of adults with continue to need care throughout their lives, some programs are beginning to demonstrate that with appropriate support, they can be trained to do m ...



Jaguars
Download This PaperWords: 822 - Pages: 3

... different continents - the jaguar is the only member of the panthera family to be found in the Americas and its is by far the biggest cat on the continent. The range, which once spanned from the southern states of the USA down to the tip of South America, now centres on the north and central parts of the South American continent. The jaguar is predominantly a forest dweller with the highest population densities centring on the lowland rain forests of the Amazon Basin - dry woodland and grassland also serve as suitable terrain, although the cat is rarely found in areas above 8000 feet. The overall body size and coloration of the cat often relates to its locatio ...



Hubble Space
Download This PaperWords: 511 - Pages: 2

... We now have to study them to find out who, what and where they are. We are still finding new frontiers," says Rodger I. Thompson of the University of Arizona in Tucson. "This is just our first tentative glimpse into the very remote universe," says Alan Dressler of the Carnegie Observatories in Pasadena, CA. "What we see may be the first stages of galaxy formation. But the objects are so faint that their true nature can only be explored with the advanced telescopes of the future." "This observation is a major step toward fulfilling one of Hubble's key objectives: to search for the faintest and farthest objects in the universe," adds Ed Weiler, NASA's acting ...



Acid Rain
Download This PaperWords: 1940 - Pages: 8

... cost of properly disposing of these products they are often emitted into the atmosphere with little or no treatment. The term was first considered to be important about 20 years ago when scientists in Sweden and Norway first believed that acidic rain may be causing great ecological damage to the planet. The problem was that by the time that the scientist found the problem it was already very large. Detecting an acid lake is often quite difficult. A lake does not become acid over night. It happens over a period of many years, some times decades. The changes are usually to gradual for them to be noticed early. At the beginning of the 20th century most rive ...




Browse: « prev  158  159  160  161  162  more »

 

home | cancel subscription | contact us

Copyright © 2025 Essay Pal. All rights reserved