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White Shark: Summary

.... attention. One guy was killed. The other guy managed to get away and swim for about 200 yards and then he was down. The men's bodies washed up on shored weeks later. That's when Chase and Tall Man knew there was something in the water and it was up to them to figure out what it was. More strange things were happening. The ocean life began to act strange and Chase couldn't figure out what that had anything to do with the killings. Tall Man was a rather large Indian man that had many reasons to be fearless. The reason I'm drawing attention to this man is because he is the hero. After all the hard work and long hours o .....

[ Download This Essay Now ] Number of words: 990 | Number of pages: 4

Genetic Engineering: Correcting The Code

.... “Flavr Savr”. Many people cringe at the thought of eating them. These tomatoes, though, are proven better and healthier even though they are slow ripening. The idea of altering a plant's traits seems radical and new, but scientists have been doing it for years by breeding desired qualities into crops (Henkel 10). “Subsequently, seven vegetables were brought to market under the Pre-Market Notification, PostMarket Authority approach that will govern the introduction of the new food type” (Henkel 9). Some exceptions are made when a gene from a potentially allergenic food , like peanuts, is transferred into another food, or if .....

[ Download This Essay Now ] Number of words: 1120 | Number of pages: 5

Our Solar System At A Glance

.... have orbited and landed on Venus and Mars; explored the Sun's environment; observed comets, and made close-range surveys while flying past Mercury, Jupiter, Saturn, Uranus and Neptune. These travelers brought a quantum leap in our knowledge and understanding of the solar system. Through the electronic sight and other "senses" of our automated spacecraft, color and complexion have been given to worlds that for centuries appeared to Earth-bound eyes as fuzzy disks or indistinct points of light. And dozens of previously unknown objects have been discovered. Future historians will likely view these pioneering flights th .....

[ Download This Essay Now ] Number of words: 4429 | Number of pages: 17

Rubidium

.... of tobacco, tea, and coffee, as well as some other plants. Rubidium is similar to lithium and cesium, which are found in combined forms as complex minerals. It is not found in a pure elemental (metallic) state in nature, but only as compounds in mineral deposits such as pollucite, carnallite, lepidolite, leucite, and zinnwaldite, in addition to mineral springs. These various minerals are found in the United States in California, South Dakota, New Mexico, and Maine. There are 17 known Isotopes of Rubidium. The only 2 naturally-occurring isotopes are Rb85 and Rb87. Rubidium-87 is present to the extent of 27.85% in natural ru .....

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Solving The Mystery Of The Romanovs

.... on from the mother. This information becomes useful when using them for identification purposes. In any given cell, there are thousands of copies of mitochondrial DNA. This relative abundance of mitochondrial DNA can be used by scientists to obtain DNA from samples where genomic DNA analysis is difficult of impossible. The first question was which, if any, of the bones found belonged to the Czar. To answer this, mitochondrial DNA was obtained eight adult male femur bones found in the grave. Then using a program called ClustalW, the mitochondrial DNA from many of the Czar's maternal relatives were compared to the bones. It wa .....

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The Beginning Of The Universe

.... the perfect cosmological principle. This principle says that the universe is the same everywhere on the large scale, at all times.2 It maintains the same average density of matter forever. There are observational evidences found that can prove the Big Bang model is more reasonable than the Steady State model. First, the redshifts of distant galaxies. Redshift is a Doppler effect which states that if a galaxy is moving away, the spectral line of that galaxy observed will have a shift to the red end. The faster the galaxy moves, the more shift it has. If the galaxy is moving closer, the spectral line will show a blue shift. .....

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The Dangers Of Nuclear "Progress"

.... However, the Soviet Union feared that the United States would always have a military advantage if they gave up their plans for building a nuclear device and, therefore, rejected the proposal. I think that the refusal of the Soviet Union was a big mistake on their part. Not only did they put the safety of the U.S.S.R on the line, but of the whole world, as well. By rejecting that proposal, other countries would soon follow America's example, producing nuclear weapons of their own. By 1952, the Soviet Union and Great Britain had produced and exploded their first nuclear weapons, and nuclear technology was spreading across .....

[ Download This Essay Now ] Number of words: 619 | Number of pages: 3

An Experiment In Edge Damage

.... medium pressure was used on the flake and it was moved in bi-directional strokes across the stick. After about thirty strokes, the use edge angle prohibited the flake from cutting further in to the stick. The cut was roughly three millimeters deep and three quarters millimeters wide. It could be determined that a tool, in this particular shape, could not be used as an effective saw. However, use-wear patterns could still be inferred. The flake was moved to another portion of the stick and the same process was repeated. This time the cut was only about two millimeters deep, before termination. Also, small pieces of obsidian .....

[ Download This Essay Now ] Number of words: 996 | Number of pages: 4

Radon

.... radioisotope is a naturally or artificially created isotope having an unstable nucleus that decays, letting off alpha, beta, gamma rays until stability is reached (The America Heritage Dictionary of the English Language, Third Edition, 1992). Radon's melting point is -71°C. The boiling point is -61.8°C. Radon is the densest gas known (Concise Columbia Encyclopedia, 1995). Radon is a heavy, colorless, odorless, tasteless, non-flammable gas (therefore it cannot be detected with the human senses) produced by the radioactive decay of radium, which is itself a product of uranium. Radioactive means the emission or transmission of ener .....

[ Download This Essay Now ] Number of words: 2145 | Number of pages: 8

The Science Of Cloning

.... will be too, so they can gain support from voters. Even with all these setbacks, there are still major uses for cloning research. Uses that will never present themselves unless people put down their moral, ethical, and religious shields and allow the research to take its course. Regardless of the majority opinion, cloning is just another science. It deserves the time and mind straining efforts given by today's scientists. It doesn't deserve to be shut out or pushed aside because people are too paranoid to let the future take its course. Cloning has been around for several years. It has just recently hit the spotli .....

[ Download This Essay Now ] Number of words: 1658 | Number of pages: 7

The Sun

.... the sun and individual characteristics of the sun. Pictured above is Galileo Composition of the Sun The radiation that Earth receives from the sun is quite remarkable. The radiation that we receive varies less than 1% over a period of twenty four hours. However this less than one billionth of the radiation given off by the sun. This energy comes from deep with in the sun. The composition of the sun consists of 71percent hydrogen, 27 percent helium, and 2 percent of other heavier elements. This makes the sun, like others, very volatile At the center of the sun we find the density of the sun to be more than .....

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Uranium: Nuclear Friend Or Nuclear Foe

.... scientific knowledge the doctors could only assume that the deaths were caused by the inhalation of arsenic. Later studies between 1900 and 1940 found that the deaths were caused by radiation in the mines. The radiation the miners were exposed to would later be identified as uranium. Uranium is a natural occurring element, it has a atomic count of 92. Uranium is easily identified by its properties. Uranium melts at about 1132°C, boils at about 3818°C, and has a specific gravity of 19.05 at 25°C. Uranium has three crystalline forms, of which the one that forms at about 770°C is malleable and ductile. Uranium is soluble in hydroc .....

[ Download This Essay Now ] Number of words: 2709 | Number of pages: 10

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