Essays Tagged: "scientists"

Black Holes - how they are formed, how many there are, what properties thay have etc.

BLACK HOLESMike Carey Scientists have been trying to determine if black holes (earlier known as `frozenstars') truly do ex ... sible to escape unless traveling at greater speed than light. Within the last several years, scientists have confirmed the existence of a supermassive black hole in galaxy M87. Thanks to the ne ... nergy being released by gas falling into the black hole. With the Hubble's corrected optics, scientists have been able to clearly resolve thegigantic swirling gas disk (the event horizon), whic ...

(3 pages) 247 4 4.5 Jan/1997

Subjects: Science Essays > Astronomy

Hale Bopp

from the earth and is approximately 25 miles wide. Hale-Bopp was discovered on July 23,1995 by two scientists named Alan Hale in New Mexico and Thomas Bopp in Arizona. This is the first discovery for ...

(3 pages) 82 2 4.8 Apr/1997

Subjects: Science Essays > Astronomy

Beta Pictoris

oes or did our star, the sun, have a circumstellar disk around it? the answer is believed to be yes.Scientists believe that a newly formed star is immediately surrounded by a relatively dense cloud of ... growth of planetary bodies.For a long time, even before there was the term cocoon nebula, planetary scientists knew that a cocoon nebula had surrounded the sun, long ago, in order for our solar system ...

(6 pages) 92 0 4.6 Apr/1994

Subjects: Science Essays > Astronomy

charles darwin

ting or 'basic' forms. His liberal ideas in Natural History had aroused several disagreements among scientists and caused a division among them. In cognizance to Darwin's theory(ies) scientists today ...

(4 pages) 175 1 4.7 Oct/1996

Subjects: Science Essays > Biology > Charles Darwin

Order by Instinct

ught instinctively. In Literature, as well as Biology, order is sought instinctively by authors and scientists. Authors use order to convey real-life incidents and make their stories seem more realist ... to tear the school apart. The teacher sought order because he wanted his students to behave better. Scientists use order to control viruses. Viruses are classified by several attributes; their shape, ...

(3 pages) 66 0 3.0 Feb/1997

Subjects: Science Essays > Biology

The Classic World

s. These contributions have influenced the modern world today. Manymathematicians, astronomers, and scientists contributed to the development of many of theluxuries we enjoy today. Homer, author of Th ... contributions from the Classical World is in the field of science.Mathematicians, astronomers, and scientists made important contributions that formedthe basic element of science. From this basic ele ...

(2 pages) 76 2 4.5 Dec/1996

Subjects: Humanities Essays > Classical Studies

Ecosystems of Hydrothermal Vents

Basic study on Chemosynthesis. Good job, maybe a little more on the bacteriaA group of scientists were searching for hydrothermal vents in order to find moreevidence on plate tectonics wh ... could crush ahuman in seconds and the temperature so high it could melt titanium. Originally scientists thought that life could not exist without light because plantsneed light to make glucose ...

(1 pages) 53 0 3.5 Feb/1997

Subjects: Science Essays > Biology

Memory

w and unfamiliar things . Life would be absent and bare of the richness of it happy or sorrow. Many scientists are still unsure of all that happens and what and how memory works. They are certain , th ... st after apparently forgetting it ' (Loftus p. 393).There are many questions to why people forget . Scientists still do not know exactly how people forget . Not surprisingly , people forget more and m ...

(4 pages) 284 1 4.9 Feb/1997

Subjects: Science Essays > Mental Health

Letter From Thoreau to Darwin

that which whatothers have not. You didn't go on a scientific expedition orlive like all the other scientists, instead you boarded theboat, H.M.S. Beagle, and brought with you only thenecessities. Yo ... , and brought with you only thenecessities. You learned more as an individual on that tripthan most scientists do with all their intricate tools. I, likeyou, gave up luxuries at a point in my life in ...

(2 pages) 44 0 4.2 Mar/1997

Subjects: Literature Research Papers > Creative Writing

Nuclear Energy

During the twentieth century scientists have discovered how to unleash the most powerful energy of all; Nuclear energy. The study ... tiny bit of matter that has very little weight. They are much too light to be weighed directly, but scientists have developed methods of determining these tiny weightd by using special labratory instr ...

(4 pages) 232 5 4.0 Nov/1996

Subjects: Science Essays > Physics

Biotechnology

distinctive genetic codes. Is genetic engineering a safe form of biotechnology in our society? Many scientists believe so, as long as they don?t make a mess of what they?re doing. Others say its not b ...

(3 pages) 203 0 4.6 Mar/2002

Subjects: Science Essays > Biotechnology

Antibiotics

eration. After him there was Robert Koch, who developed a method of isolating and growing bacteria. Scientists tried developing drugs that could kill microbes, but they proved to be either dangerous o ... ed that a substance he called 'penicillin' destroyed bacteria. Then in the late 1930's, two British scientists invented a method of extracting penicillin from the mold. This was the start of developin ...

(4 pages) 89 0 4.3 Mar/1997

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

Explanatory Style and Depression

that could help schools develop programs to reduce the "pessimistic explanatory style" in children. Scientists who have studied the effects of thoughts and feelings have discovered that these hopeless ...

(2 pages) 79 0 3.4 Apr/2002

Subjects: Social Science Essays

ORIGIN OF THE SPECIES. A discussion of Charles Darwin's Theory of Evolution and how it has overcome the trials and tribulations of time.

egative reception from the people of the era. The religious populations of the world were outraged, scientists were displeased with this farfetched grasp of science, and a cult following of Darwinists ... ific community was also disgusted by Darwin's theory. Up until the nineteenth century, many people, scientists included, held the belief that life was created, either by a "Supreme Being" or was devel ...

(9 pages) 443 3 3.6 Apr/2002

Subjects: Science Essays > Biology > Charles Darwin

Positive and Negative Advances in Biotechnology. Positive and Negative advances dealing with cloning,stem cell,genetic experimentation, and also "designer babys" are covered in this essay.

which people either support, or are against. Technological advances in this day and age have given scientists the ability to do things that were only dreamed about in the past. Research has given the ...

(5 pages) 279 0 3.0 Apr/2002

Subjects: Science Essays > Genetics & Genome Projects

Cloning

mbers of genetically identical individuals bytransplanting whole cell nuclei. With other techniques scientists can isolatesections of DNA representing single genes, determine their nucleotidesequences ... ay also help predict such common problems asobesity, depression and heart disease. But don't expect scientists to startbuilding new traits into babies anytime soon. The technological obstacles areform ...

(2 pages) 57 0 3.3 Jan/1996

Subjects: Science Essays > Genetics & Genome Projects

Down Syndrome Report

cells instead of the normal 46, although how this causes the condition's symptoms is not yet known. Scientists assume that the reason for the abnormal chromosomal assortment is the fertilization of an ...

(2 pages) 74 0 3.0 Feb/1997

Subjects: Humanities Essays > Health & Medicine > Diseases

Cloning

mbers of genetically identical individuals bytransplanting whole cell nuclei. With other techniques scientists can isolatesections of DNA representing single genes, determine their nucleotidesequences ... ay also help predict such common problems asobesity, depression and heart disease. But don't expect scientists to startbuilding new traits into babies anytime soon. The technological obstacles areform ...

(2 pages) 72 0 3.0 Dec/1995

Subjects: Science Essays > Genetics & Genome Projects

Vaccine Essay

ity. There are many diseases, infecting children, that may lead to death such as the polio disease. Scientists found a solution to this problem, by injecting a tiny sample of the virus into the child' ...

(3 pages) 163 2 4.3 Feb/1996

Subjects: Humanities Essays > Health & Medicine

The Never-Ending Cycle of Cause and Effect

l come a point where the beginning of things will be put under observation. How did things begin? Scientists believe that our world began with the Big Bang, yet for the Big Bang to originate there m ... mary source for belief. Now a days it is important to have evidence in order to believe. Yet when scientists discover new things, do they just find the evidence? Or they believe that something is t ...

(3 pages) 155 0 4.0 Dec/1994

Subjects: Humanities Essays > Philosophy