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Treating Disease With Stem Cells
1,019 wordsThis article was written by Dr. Gregory Hale, professor of Pediatrics at the University of Kentucky College of Medicine, in response to questions posed by Scientific American Magazine regarding the treatment of certain diseases with cord blood stem cells. There is some additional information provided by Viacord, a medical service company that provides private family cord blood banking, processing, and research. Dr. Hale discussed the advantages of cord blood stem cell transplants, the results of...
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1 5 Million Homo Erectus
1,480 wordsGlynn Isaac Defines "the Homebase Hypothesis" It has been argued since Darwin's day that the great apes were man's nearest living relatives, and as evidence emerged during the late 1960 's of the hunting propensities and simple tool use of chimpanzees (Goodall 1986), anthropologists found more and more reason to presume similarity of behavior between modern (e. g. , Pan troglodytes or Pan panics) and ancient varieties of hominids (Tanner 1981). Still, modern humans are not chimps. Substantial di...
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Prince William Sound Christian Science Monitor
1,783 wordsOn March 24, 1989 at 4 minutes past midnight, the oil tanker Exxon Valdez struck a reef in Alaska's breath-taking Prince William Sound. Instantaneously, the quiet waters of the sound became a sea of black. "We " ve fetched up - ah - hard aground north of Goose Island off Bligh Reef, and - ah - evidently leaking some oil, " Joseph Hazelwood, captain of the ship, radioed the Coast Guard Marine Safety Office back in Valdez. That "some oil" turned out to be a total of 11, 000, 000 gallons of crude o...
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Small Cell Lung Cell Lung Cancer
824 wordsLung cancer is an uncontrolled, extremely deadly division of cells in the lung (World Book, Lung Cancer). The two major types of lung cancer include small and non-small cell. Many different risk factors contribute to lung cancer. There are numerous symptoms that are difficult to detect in the early stages of lung cancer. Doctors use special machines to detect the severity of each stage. Treatments and cures differ in each individual case. Lung cancer is a huge problem because it is the leading c...
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Metric Tons Space Shuttle
1,092 wordsApproaching the end of Apollo, my frustration often surfaced. No one in America seemed to care that we were giving up, surrendering the future of the next generation of young people with stars in their eyes... How I wished John F. Kennedy were still alive, challenging us to dare and to dream. I feel the same way today; the boldness and scope of his vision is not to be found today in our space program and in our nation... Entering the twenty-first century, we have an unimaginable array of technol...
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Level Of Reality Objective Reality
1,379 words... apparent faster-than-light connection between subatomic particles is really telling us that there is a deeper level of reality we are not privy to, a more complex dimension beyond our own that is analogous to the aquarium. And, he adds, we view objects such as subatomic particles as separate from one another because we are seeing only a portion of their reality. Such particles are not separate "parts", but facets of a deeper and more underlying unity that is ultimately as holographic and ind...
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Star Traveling To The Millennium
1,884 wordsNASA's goal of faster, better, cheaper has been the motivation for them to develop new mission concepts, and to validate never-before-used technologies in space. The new technologies, if proven to work, will revolutionize space exploration in the next century. According to NASA's New Millennium Program home page, last updated on September 16, 1999, NASA's current project of Deep Space 1 demonstrates some of their most exotic technologies. One of the most impressive is the testing of an ion engin...
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Embryonic Stem Cells Stem Cell Research
1,813 wordsThe Stem Cell Dilemma Every day, nearly 3, 000 people die while waiting for an organ transplant (D'Agnese). Moreover, 66, 000 people are still on an organ donor list in the United States, few of which will ever see their name come up on that list ("Improving"). Many people believe nothing can be done about this sad fact. However, this is not the case. Studies on stem-cell research point toward a solution to this deadly problem. With efficient use of stem cells, many diseases and medical problems...
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Death Row Inmates Death Penalty Information
736 wordsAs of January 31, 2003, Governor George Ryan modified the sentences of 167 death row inmates in Illinois. He stated that he felt the death penalty process was "arbitrary and capricious and therefore immoral. " Considering the role of crime and punishment in both contemporary as well as historical America, what do you think of this action? If we dig down deep into human nature; the axiom An eye for an eye suits us right. Justice at its most primitive satisfies the inner beast and the fear of puni...
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Animal Experimentation Animal Testing
1,944 words... for pregnancy was to inject a urine sample into a rabbit. After injected, the rabbit would be killed to see if the ovaries were swollen; if so, the woman was pregnant. As indicated, there have been some strides for the search for alternatives to animal testing, but without animal testing the environment will also suffer. The mink is a good example of how testing is helping the environment. Mink are highly susceptible to a raft of environmental chemicals, particularly PCBs (Polychlorinated Bi...
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Nuclear Power Plants Amount Of Energy
2,517 wordsModern technologies and industries use huge quantities of energy every moment, to run each machines, and to create heat, light and refrigeration, and people base their life-style on the certainty of readily available sources of energy. In almost all developing countries the demand for energy is growing as populations increase. Energy use is closely tied to health and well-being. The fast-growing demand for energy all around the world offers the opportunity for people to avoid the high-energy and...
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Nitric Acid Scientific American
825 wordsChemistry Connections of nitrogen - saltpeter, nitric acid, ammonia - were known long before invention of nitrogen in a free condition. In 1772 D. Rutherford, burning phosphorus and other substances in a glass bell, has shown that the gas remaining after combustion does not support breath and burning. He named it suffocating air. In 1787 A. Lavoisier has established, that the "vital" and "suffocating" gases included in air, are simple substances, and has offered the name "nitrogen." In 1784 G. C...
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Friction At The Atomic Scale
1,010 wordsFriction at the atomic scale. From the article "Friction at the Atomic Scale" by Jacqueline Krim we learn that standard friction and friction at the atomic scale are quite different. In my summary paper I would like to try to explain that fact based on the article. Having used different apparatus, the scientists made an experiment to prove that physicists didnt pay enough attention to the study of frictions atomic level or nano tribology for a long time wrongly. However now it was determined tha...
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Coral Bleaching Coral Reefs
1,512 wordsImagine yourself observing one of the most diverse ecosystems on earth. Thousands of species of plants and animals provide a dizzying array of color and motion. Massive structures provide a canopy that shelters hundreds of exotic species in a myriad of microclimate's. As land-based observers, we almost automatically assume that this is a description of the rich ecosystem of a tropical rainforest. However, if we take ourselves off the safety of dry land and immerse ourselves in the ocean, we will...
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Earth Quot Planet Earth
550 wordsIn William Clarks Article, " Managing Planet Earth" from the Scientific American sustainable development describes the type of planet people want, and also brings up the question of what kind of planet people can actually get. It reflects values for managing earth where fairness matters. Sustainable development refers to how people as a whole want to improve the earth for the better by sustaining it while it is being developed. The three objectives to manage the sustainable development...
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