Science Essay Samples » Page 4
Science · 450 words
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Respiration:
1. A cell must work just to maintain its complex structure, for order is intrinsically unstable. Because of entropy (the second law of thermodynamics), which states that any enclosed system tends...
Science · 1,349 words
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The Toilet Yes'those tales you?ve heard are true. The toilet was first patented in England in 1775, invented by one Thomas Crapper, but the extraordinary automatic device called the flush toilet has been around for a long time. Leonardo Da Vinci in the 1400's...
Science · 1,755 words
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Toss a pebble in a pond -see the ripples? Now drop two pebbles close together. Look at what happens when the two sets of waves combine -you get a new wave! When a crest and a trough meet, they cancel out and the water goes flat. When two crests ...
Science · 2,560 words
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Only once in a lifetime will a new invention come about to touch every aspect of our lives. Such a device that changes the way we work, live, and play is a special one, indeed. A machine that has done all this and more now exists in nearly every...
Science · 572 words
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is the process of asexual reproduction. Humans use meosis which is a process of sexual reproduction. is the process of asexual reproduction. Humans use meosis which is a process of sexual reproduction. is the process of asexual reproduction. Humans use...
Science · 3,700 words
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On December 10, 1986 the Greater New York Section of the American Institute of Aeronautics and Astronautics (AIAA) and the engineering section of the New York Academy of Sciences jointly presented a program on mining the planets. Speakers...
Science · 1,584 words
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Thesis: Military aircraft has become more sophisticated in variety,
effectiveness in war situations, and special maneuvering techniques in
recent years.
Military aircraft has become more sophisticated in variety, effectiveness in war
situations, and...
Science · 717 words
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Migraine headaches are the result of a disturbance in the neurochemistry of the central nervous system. They are relatively common, affecting three times as many women as men. Migraine sufferers typically report a definite pattern to their headaches, and they can report...
Science · 1,623 words
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You might remember the heroic role that newly-invented radar played in the Second World War. People hailed it then as ?Our Miracle Ally?. But even in its earliest years, as it was helping win the war, radar proved to be more than an expert enemy locator. Radar...
Science · 975 words
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A man came into the emergency ward at one o?clock. His thumb came in an hour later. The surgeon's job: get them back together. The successful re-attaching of fingers to hand requires long hours of painstaking work in microsurgery. In the operating room , the...
Science · 1,373 words
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In 1802 a farmer called Anton Mendel lived in mid-Czechoslovakia, in a small village called Hyncice.
After being in the war, Anton built a house and farmed his forty acres of land: ploughing, cultivating and trying to improve his stock of farm animals. Anton...
Science · 1,310 words
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Introduction
The cell membrane is a fluid structure that is made up of phospholipids and proteins. Its main function is to allow osmosis and diffusion to occur in a cell. It protects a cell from taking in molecules that are too large and other chemicals that...
Science · 3,099 words
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It seems as though every time we turn around there is a new health fad, be it a drug, herb or diet. Within the past 10 years the drug melatonin has hit the market and seems to have made quite a splash with the public and the media. At a time when an estimated thirty to...
Science · 1,372 words
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has been around forever because it is in everything that we eat, such as steak, chicken, and fish. It has been around in supplement form since the early 90's. Various professional, high school and collegiate athletes in the United States and all over the world...
Science · 582 words
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Have you ever wondered how a jet aircraft lifts its tremendous weight off the ground, or what gives a runner the stamina to reach the finish line in a race? In order to answer all these questions we must talk about the transformation of one sort of energy into...
