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Essays on Science

An Argument For Animal Research
Download This PaperWords: 621 - Pages: 3

... the animal-rights movement hasn't merely opposed animal research; it has tried to destroy it." ( ¯The Wall Street Journal®, "Animals and Sickness", Page 378.) Animal rights advocates and activists generally have ethical objections regarding treatment of animals during experimentation, but the use of animals in research for the benefit of all people is and always will be justifiable. Over 99 percent of all animal experiments are on rats and mice developed expressly for laboratory use. "Less than 1 percent of experiments involve cats, dogs, farm animals, nonhuman primates, frogs, fish, and birds." ( ¯Encyclopedia of Medicine, AMA®, "Animal Experimentation", ...



Global Warming
Download This PaperWords: 368 - Pages: 2

... do not cover enough of Earth's surface to be considered accurate. Also, even if they covered 100 % of the ground temperature 70 % of the Earth is water so the readings would still not be acceptable. Orbiting satellites cover 99 % of the Earth's surface. According to surface-based temperatures, 1997 was the warmest year on record. According to U.S. government satellites and weather balloons1997 as the seventh coolest year since satellite measurements began in 1978. Further more, satellite and balloon based information, which uses different technology, concur with each other's readings according to NASA. My opinion is that surface-based information can not be r ...



Darwinism: The Theory That Shook The World
Download This PaperWords: 1800 - Pages: 7

... (Campbell p 421). Aside from past resistance, Darwin also comes under scrutiny still today as missing fossils which are to have been the bridge between a two familiar species are not yet found (Hitching p 3). Whatever the reason of belief or disbelief in Darwin's theories, he astounded the scientific world as well as the public and was able to convince many in the presence of a misguided past belief. This fact alone makes him one of the most important people of science ever. Charles Darwin was born in Shrewsbury-Shropshire, England on Feb 12, 1809 (GEA & RBi p 42). He was the fifth child in a wealthy English family with a history of scientific achievement with h ...



Chromosome Probes At The University Of Toronto
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... eight we have," he says. Dr. Willard is currently negotiating with an American company to develop prenatal diagnostic tests, which, because the current tests are time consuming and technically difficult to do, are restricted to women over 35 and those who have a family history of chromosomal abnormalities. Prenatal tests using Willard's probes would be much simpler and faster to perform and could be available to all pregnant women who wish to take advantage of the technology. Current prenatal testing involves growing fetal cells in vitro and examining them, over one or two months, to see if there are two copies of a particular chromosome, which is normal, or one ...



Armadillo
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... Armadillos are not the biggest armadillos that have ever existed. The soil of South America is full of larger Armadillo bones from the past. Some of the past bones were as much as sixteen feet long including the tail. Some even migrated to Texas. There are several species of these animals. The Six-banded Armadillos were good burrowers and massive devourers of insects. They also ate vegetable matter and were useful for devouring carrion. One specie called the Peludo was clumsy bet was effective in getting a snake to its armored hide and grinding the life out of it. It then eats the snake not effected by the poison. The king of the tribe is th ...



Arthritis 2
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... degradation of the tissues. Ligaments become lax, losing their tensile strength. The cartilage that caps the ends of bones, and which is normally four times more slippery than Teflon, loses that slipperiness and becomes perforated by ulcers. Many of the changes that occur in the joints of people with rheumatoid arthritis and osteo-arthritis are assumed to be caused by a disease process, when in fact they are often a consequence of relative immobility. These findings underscore the enormous importance of exercise in the fight against arthritis. You should realize that immobility will set off the destructive set of events. After four or five months, such degeneration ...



History Of Computers
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... invented it. It was used in China as early as the sixth century B.C. and in the mediterranean areain ancient Greek and Roman times. It is still used in many parts of the world. The abacus consists of beads strung on rows of wires suspended within a rectangular frame. A common form has a piece of wood dividing the beads, with five beads on one side, and two on the other side of the wood on each wire. Calculating Machines and their Inventors: Through the centuries, several mathematical geniuses invented machinesto aid them in their calculations. The machines were never widely used and generally had no direct path to the later development of electronic comp ...



The Siberian Tiger
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... The Siberian Tiger is a mobile creature and it lives in northern Asia and is found as for north as the Arctic Circle. It's territory is more than four thousand square miles and it will keep that territory indefinitely, as long as the food supply lasts. The Siberian Tiger hunts very much but only about one tenth of the hunts are successful. It requires more than twenty pounds of meat per day. It is heterotrophic and it's diet consists mainly of deer, boar, bear and fish. The Siberian Tiger is a solitary animal. Males and females are only together during mating season. Females will only stay with their litter of two or three cubs for less than tw ...



The Effects Of Acid Rain On Lakes And Trees
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... the acid, it has a harder time fighting off adversaries such as fungi, diseases, and frost so subsequently it dies. Around the 1970s the acid rain dilemma got worse, the acid rain has put trees in danger and now they are starting to die off. The effects of acid rain on a tree is shown if it has less foliage, yellow spots and produces many cones (Baines, 22). Secondly, acid rain damages the trees through the soil by releasing metals that harm them even further (Lucas, 72). Acid rain makes the trees lose their leaves, so when the trees try to regrow their leaves, buds come instead, this process is called a panic shoot (M. 15). Large land ...



Telekinesis
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... degree, but I do not know of any teacher who can help you develop so that you can use it 'at will' in our present third dimensional reality. Teenagers are most wanting to develop and other higher skills such as telepathy, as they know they will use them in their lifetime. On an intuitive level they know we are shifting reality soon where this ability and others will be open to humans once again. Many of the 'star children' --those who remember that they are connected to other worlds and realities--will try to tap into their higher gifts. 'Patience' is the name of the game. As the planet is shifting now into 4th dimensional frequency you will soon get to use thes ...




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