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Enter your query below to search our database containing over 45,000+ essays and term papers
Search results 1651 - 1660 of 7307 matching essays
- 1651: Quantum Computing
- ... physics system or theory using the assumption that energy exists in discrete units. It is probably no exaggeration to say that quantum mechanics is the most successful scientific theory in history. This has been a great success, but in spite of the fact the origins of the quantum theory stretch back nearly a century, it is only in recent years that ... turns this unbelievable fantasy realm of mind-bending concepts into concrete, practical devices. The nineteenth century was known as the machine age, and the twentieth century will go down in history as the information age. Unless we develop something better than quantum mechanics, however unlikely, the twenty-first century will be the quantum age. We must acknowledge the great benefit that ...
- 1652: Amyotrophic Lateral Sclerosis
- ... and function are not usually affected. There is no specific clinical test that can identify ALS. Diagnosis is made by a neurologist through a physical examination, a thorough patient medical history, and neurological testing. Diagnostic testing often includes the electromyogram (EMG) to test muscle activity, CT Scan, MRI (Magnetic Resonance Imaging), muscle and/or nerve biopsy, and extensive blood work. While ... random. "Familial ALS" accounts for the remaining cases (less than 10%) and is caused by inheriting a dominant gene from one parent. In this case, there would be a family history of ALS among blood relatives and also a 50/50 chance of the affected person passing it onto their children. If neither parent or other blood relatives have ALS, you ...
- 1653: Lyme Disease
- ... tiny, and a tick bite is usually painless. When a patient with possible Lyme disease symptoms does not develop the distinctive rash, a physician will rely on a detailed medical history and a careful physical examination for essential clues to diagnosis, with laboratory tests playing a supportive role. Unfortunately, the Lyme disease microbe itself is difficult to isolate or culture from ... on their clinical judgment in diagnosing someone with Lyme disease even though the patient does not have the distinctive erythema migrans rash. Such a diagnosis would be based on the history of a tick bite, the patient's symptoms, a thorough ruling out of other diseases that might cause those symptoms, and other implicating evidence. This evidence could include such factors ...
- 1654: Is There Life On Mars
- The question of Martian life is an age-old one. There are many theories on the history of Mars, and its inhabitants, or lack thereof. The history and origin of Mars is widely debated, mostly between evolutionists and creationists, though the debate is mainly focused on the origin of the Universe, and not Mars specifically. Nevertheless, since ...
- 1655: Hemophilia Manitoba
- ... injuries, nor do they bleed faster. However, people with hemophilia do bleed longer. As many as one-third of all new cases of hemophilia occur in families with no previous history of this disorder. The gene causing hemophilia mutates twenty to thirty times per million gametes produced. The causes for mutations are still poorly understood, but it is known that some high- energy chemical and nuclear radiation increases the rate of mutation. Bibliography Bornstein, Jerry and Sandy. What is Genetics? New York: Julian Messner, 1979. Cartwright, Frederick F. Disease and History. New York: Dorset Press, 1991. Zallen, Doris Teichler. Does It Run in the Family. New Brunswick: Rutgers University Press, 1997. Wingerson, Lois. Mapping Our Genes. New York: Penguin Books, 1990
- 1656: Global Warming And The Greenhouse Effect
- ... even before that happens, the temperature rise would disrupt the Earth s climate. Scientists have observed other warning signals about the greenhouse effect. 1998 was the warmest year recorded in history in the northeast U.S. Scientists from the University of Munich reported that spring has started to arrive earlier in Europe and autumn has arrived later. The highest temperatures ever recorded in the Pacific caused the largest die-off of corals in history. This warm weather destroyed up to 70 % of the corals.5 A Hemisphere-wide climate cycle called "Arctic oscillation" is stuck in one of its two alternating phasing, which is ...
- 1657: Global Warming ------
- ... rise and less infrared light, or heat, escapes the earth's atmosphere. Thus, the temperature experienced on Earth begins to rise. Climate change is a part of the Earth's history. There have been dramatic fluctuations in overall average temperature for the past 150,000 years that are a direct association with carbon dioxide levels. In the past the temperature highs ... carbon dioxide emissions. Even if we change our practices in time to avoid these climatic disturbances, the environment will still have an effected and this is including all the ecological history. The environment may initially shape the range of choices available to a people at a given moment, but then culture reshapes environment in responding to those choices. There are many ...
- 1658: Give An Overview Of Life Through The Tertiary, In Relation T
- ... the Oligocene, which make up the Paleogene; and the Miocene and Pliocene, which make up the Neogene. The close of the Cretaceous Period marked a major transition in Earth s history. Ammonoids and marine reptiles disappeared from the sea. Marine taxa that persist as familiar inhabitants of modern ocean, among them bottom dwelling molluscs. On the land, the flowering plants of ... woodpeckers, pigeons, and pelicans, falcons, and crows. Mammal newcomers were mice, rats, porcupines, and guinea pigs. Mammal migration between Africa and Asia occurred. Apes also evolved during the Miocene. Their history was found in monkeys, which had evolved since the Paleocene. African primates developed into apes, and eventually into Humans. During the Pliocene, most landmasses arrived in their present-day positions ...
- 1659: Geology Fo Mars
- ... Few impact craters on the flank of the volcano suggest that the volcano is relatively young. It is possible though, that volcanism could have been occurring during much of Mars history. Mars volcanoes are very similar to those found on Earth specially those found on Hawaii. Their low shape and large flows are very similar to those in Hawaii. Ash deposits ... is the most obvious feature on the planet. Mars ice is relatively young compared to the rest of the planet. The ice is a very recent event in the Martian history. Still the ice could be a few million years old. Mars ice is basically a recording of the events that occurred on Mars over the last couple of million years ...
- 1660: Gene Therapy 2
- ... retrievers, poodles, and cocker spaniels. It is possible that many other breeds may also be affected. If so, PRCD would be caused by a relatively old mutation in the evolutionary history of dogs. PRCD starts with the deterioration of the retina and results in blindness. PRCD seems to be the dog version of retinitis pigmentosa. RP17 appears to be the closest ... purpose of patents. Should DNA sequences should be patented at all or be treated as merchandise? Patenting any kind of DNA sequences is just like patenting life itself, and from history we know that the ownership of any human being is wrong. DNA or deoxyribonucleic acid sequences in an individual can thus be considered analogous to a piece of property. Another ...
Search results 1651 - 1660 of 7307 matching essays
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