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» Science Essays and Papers
Are UFOs Real?
<view this essay>.... definitely enough credible information to continue with the Roswell investigation.
The acronym UFO means unidentified flying objet. It is also take to mean any aerial phenomena not readily explainable (Doherty 129). Meteors, planets, rockets, stars, artificial satellites, and weather balloons are often the explanations behind UFOs (Doherty 17). The theory, however, that UFOs come from outer space is called the extraterrestrial hypothesis. The only problem with this theory is the distance involved in interstellar travel. Another hypothesis on the nature of UFOs is the demonic force hypothesis. It states that the UFOs represent demons coming to earth for the fina .....
Number of words: 3163 | Number of pages: 12 |
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Tigers
<view this essay>.... stripes of all the tiger subspecies, and the Siberian tiger has the fewest stripes. Tiger stripes are like human fingerprints; no two have the same pattern of stripes. The tiger's head often carries the Chinese mark of wang or king on the forehead. Most have an orange coat with dark brown or black stripes accented with white. that live in cold climates (Siberian ) have thicker fur than that live in warm climates. A tiger's tail is 3 to 4 feet long, about half as long as its body. use their tails for balance when they run through fast turns. They also use their tails to communicate with other .
Where did tigers come from? Tigers (and all other carnivor .....
Number of words: 1606 | Number of pages: 6 |
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Disaster Spills Across Bhopal
<view this essay>.... The worst being a disaster that would ruin the company’s reputation permanently. An angry worker, mad at a manager, decided to spoil a batch of chemicals in the plant. On the night of December 2nd, 1984, the unnamed suspect pumped large amounts of water into a chemical storage tank with a hose (Saxon, 1). The tank was filled with the gas Methyl Isocyanate (MIC), a chemical used in pesticides and very lethal to humans (Leonard, 3).
Around 11:00 p.m., a worker noted that heat and pressure were building in a tank and called for assistance, but by then it was too late. At 12:56 a.m., the morning of December 3rd, a faulty valve ruptured, allowing the dead .....
Number of words: 887 | Number of pages: 4 |
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Lsd
<view this essay>.... by psychiatrists for analytic psychotherapy. It was thought that the administration of could aid the patient in releasing repressed material. It was also suggested that psychiatrists themselves might develop more insight into the pathology of a diseased mind through self experimentation. 1,2 During the late 60s, became popular as a recreational drug. While it has been suggested that recreational use of the drug has dropped, a recent report on CNN claimed that 4.4% of 8th graders have tried it. is considered to be one of, if not the, most potent hallucinogenic drug known. Small doses of (1/2 - 2 ug/kg body weight) result in a number of system wide effec .....
Number of words: 4236 | Number of pages: 16 |
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Ecology Assignment
<view this essay>.... when a tiger preys on a zebra the population decreases. The increase of the population of a species is caused by the predator when it stops feeding on a species lower than the predator in the food chain. So when the predator stops or reduces the amount of feeding on a species, the population of the species would start to increase.
3. It is seldom possible to count all the individuals in a given space. Explain one method by which biologists can study population densities without obtaining such data.
Scientist barely ever count the amount of individuals in a certain area because it would take too much time. Instead of actually counting the number of individuals .....
Number of words: 1414 | Number of pages: 6 |
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Cheetah
<view this essay>.... the s territory scientists believe that s originated in southern Asia. A very few can still be found there and in Asia, but today most s live on the vast plains of Africa. There, they have plenty of room to run and keep track of their prey. At the same time, the tall grasses provide the cover to hunt successfully. territory is also likely to include lightly wooded areas where the s can rest safely and keep their cubs out of harm's way.
The parry grass helps the in several ways it is one of the best objects to hide in for attack on other pray. It is also a good bedding source. The s cubs love to romp around in the grass for play and for practice for ba .....
Number of words: 942 | Number of pages: 4 |
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Computers-how They Affect Our Lives
<view this essay>.... of people's lives for the better.
The very earliest existence of the modern day computer's ancestor is the abacus. These date back to almost 2000 years ago. It is simply a wooden rack holding parallel wires on which beads are strung. When these beads are moved along the wire according to "programming" rules that the user must memorize, all ordinary arithmetic operations can be performed. The next innovation in computers took place in 1694 when Blaise Pascal invented the first "digital calculating machine". It could only add numbers and they had to be entered by turning dials. It was designed to help Pascal's father who was a tax collector.
In the ea .....
Number of words: 2405 | Number of pages: 9 |
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Breast Cancer 2
<view this essay>.... tells the ovaries and testes when to start making steroids. Low doses of Provera have shown to bind to the receptors in the brain and block GnRH production. There are certain disorders that children can develop- when their GnRH is not released into the brain. For instance, gonadotropin-independent precocity, this is when the Childs ovaries or testes still make steroids even without the release of GnRH.
Since these children are still producing steroids without GnRH being released, low doses of Provera are not effective. For the body to produce steroid hormones it must convert cholesterol into estrogens and other related substances. In order for this proc .....
Number of words: 532 | Number of pages: 2 |
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