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Mars_Climate_Orbiter_Mishap 时间:2013-11-13
Mars Climate Orbiter Mishap Summary of Case Mars Climate Orbiter successfully blasted off a Kennedy Space Center launch pad for a 9-month journey to the Red Planet on Friday, December 11, 1998. The spacecraft was scheduled to arrive in Martian orbit on September 1999, where it was to serve as a weather satellite for two full Earth years. However, on September 23, 1999 the Mars Climate
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Sabrina_Perales 时间:2013-11-13
Sabrina Perales The Deadliest Storm On September 8, 1900, many residents and tourists lives changed due to the deadliest natural disaster in the history of the United States. The numbers of deaths on this day are estimated to be over 6,000 (1900). Many of these deaths could have been prevented by evacuating to higher leveled ground. So who is to blame' Some say that the Weather
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Nuclear_Power 时间:2013-11-13
Nuclear Power Introduction to Nuclear Power To provide the power for a dynamo-electric machine, or electric generator, nuclear power plants rely on the process of nuclear fission. In this process, the nucleus of a heavy element, such as uranium, splits when bombarded by a free neutron in a nuclear reactor.(1) The fission process for uranium atoms yields two smaller atoms, one to three
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Earth 时间:2013-11-13
Earth Earth, in geology and astronomy In geology and astronomy, the fifth largest planet of the solar system and the only planet definitely known to support life are known as Earth. Gravitational forces have molded the earth, like all celestial bodies, into a spherical shape. However, the earth is not an exact sphere, being slightly flattened at the poles and bulging at the equator.
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Microbiology_Organisms 时间:2013-11-13
Microbiology Organisms PURPOSE To identify an unknown microorganism by performing a series of biochemical tests on a pure bacterial culture. MATERIALS AND METHODS 1. CARBOHYDRATE FERMENTATION: In this experiment, I took two tubes of a liquid medium, one containing a phenol red sucrose broth and one containing a phenol lactose broth, and inoculated each one with the unknown or
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Tornadoes 时间:2013-11-13
Tornadoes Tornado Introduction Can you imagine winds of 320 miles per hour heading your way' Incredible as it may seem, a F-5 tornado has the potential of creating such a nightmarish reality, bringing death and destruction in its wake. A tornado can be the most horrific and dangerous of all natural disasters. It has the power to kill and destroy everyone and everything in its path.
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Cystic_Fibrosis 时间:2013-11-13
Cystic Fibrosis Case Study 1: Cystic Fibrosis Recessive disorders can seem rare to most people because both your parents have to be carriers and if they are, there is only a 25% chance of you actually becoming affected, but in the case of cystic fibrosis, the number of carriers is alarming. That is why cystic fibrosis is the most common autosomal recessive disease in the U.S. One
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Expeditions_to_Mars 时间:2013-11-13
Expeditions to Mars Are we alone in the universe' That is a question that we have faced since 1958. Planetary and lunar missions have been trying to prove that we are not alone in this universe since 1958 and are scheduled to do so up until 2004. Scientists are looking for water, organic molecules and an energy source that can support life on planets other than Earth. Life is defined as
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Magazines 时间:2013-11-13
Magazines All magazines have some elements in common, even if they are a listings magazine or a simple advertising vehicle. The main features of content in magazines mainly consist of the cover page features, reviews, problem pages, interviews, advertisements, competitions and some form of gossip. Other common elements are; advice columns, campaigns, do it yourself features, in our next
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Experiment 时间:2013-11-13
Experiment Cinnamon Overwhelms the Pea Plant Introduction The purpose of this experiment was to compare and contrast the growth of two pea plants when one has been manipulated. I chose cinnamon for this study because it is a common spice that we, as humans consume; therefore I wanted to find cinnamons effect on plant life. Furthermore, I predicted that the cinnamon would stunt t
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Maternal_Care 时间:2013-11-13
Maternal Care Enabling factors affecting the performance of skilled birth attendants A wide variety of factors might affect the performance of skilled birth attendants, including provider competence and motivation, various patient characteristics, hospital leadership and supervision, availability of equipment, drugs and supplies, policies, time of day and week, and support team. This
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Retinoblastoma 时间:2013-11-13
Retinoblastoma Retinoblastoma: Cancer of the Eyes Retinoblastoma is the most common intraocular malignancy of infancy and childhood. Before this century, retinoblastoma was a fatal disease. The introduction of the ophthalmoscope, general anesthesia, and surgical enucleation has improved the situation. Today, the survival rate exceeds 90% in most industrialized countries. Retinoblastoma
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Timeline 时间:2013-11-13
Timeline You go back in time and kill your grandfather. As a result, you are never born so you can never go back in time to kill your grandfather. He lives and you are born. The grandfather complex is one of the many conundrums that come about when scientists theorize about time travel. The question of time travel has been around for many years. It was first written about by Mark Twain
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Mesothelioma 时间:2013-11-13
Mesothelioma What is Mesothelioma' Mesothelioma is a rare disease caused as a result of malignant cancerous cells lining the patient's body cavities such as chest, abdominal region or the area surrounding the heart. It is typically associated with exposure to asbestos which has been documented in as many as 70-80% of all mesothelioma cases. This disease is very difficult to assess consi
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Steroids 时间:2013-11-13
Steroids Wherever you look these days, you cannot help but notice all of the focus placed on sex appeal in advertisements to sell most products ranging from colognes to floor cleaners. It is anywhere and everywhere, which makes being a teenage boy that much more difficult. While he is growing and maturing, his head is filled with images of these beefcake guys with huge biceps, enormous
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Biofuel_For_The_Future 时间:2013-11-13
Biofuel For The Future By using biodiesel and ethanol as clean, homegrown energy sources we could help reduce the nation's dependence on foreign oil, to stimulate the agricultural community and to help the environment have cleaner air. These renewable fuels such as biodiesel and ethanol are clean burning alternative fuels that are produced from domestic renewable resources such a vege
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Elephant_Hunting 时间:2013-11-13
Elephant Hunting Should Elephant Hunting Limit Be Removed' Limits on hunting elephants should be adjusted. They balance the environment for the other animals. The poachers in the 1980-1990 put elephants on the endangered species list. Since the ivory trade has been closed elephants numbers have increased. Closing the ivory trade dramatically made a difference. Throughout the
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Physiology 时间:2013-11-13
Physiology The neuromuscular junction is the synaptic connection between a nerve cell and a skeletal muscle cell. The neurotransmitter present at the neuromuscular junction is acetylcholine, a cholinergic neurotransmitter. Acetylcholine is released from the pre-synaptic membrane to traverse the synapse and bind to the nicotinic receptors which lie on the membrane of skeletal muscle cel
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Ebola 时间:2013-11-13
Ebola This virus is one of the most lethal and horrific viruses known to civilization. Ebola hemorrhagic fever is severe, often fatal and it affects monkeys, apes and humans. The Ebola virus is a member of a family of RNA viruses known as filovirus (genus Filoviridae). When magnified by an electron microscope, these viruses have the appearance of long string-shape, with little hook or
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What_Are_The_Ethical_And_Social_Implications_Of_Genetic_Engi 时间:2013-11-13
What Are The Ethical And Social Implications Of Genetic Engineering' Human genetic engineering Biological scientists have in recent years made extraordinary progress in analyzing the functions of cells and tissues and the molecules that constitute them. The most striking of these advances has been the development of recombinant DNA technology which permits the splicing together of the g
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Ebola 时间:2013-11-13
Ebola Recently a new virus called Ebola came up in the jungles of Zaire and Sedan. This virus was something like the Center for Disease Control and infectious disease centers all over the world had never seen before. This virus was classified as a filovirus, a virus that causes a very nasty disease known as viral hemorrhagic fever. The natural host for the Ebola virus is not known, as
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Ebola_Virus 时间:2013-11-13
Ebola Virus What is one of the biggest fears that the present day world faces today' Now most people would say natural disaster, war, global warming, and AIDS, but has the virus Ebola ever crossed your mind' Through this paper, it will examine the many aspects of this disease that is capable of causing epidemics in days and could quite possibly bring the world to its knees. In Augus
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Value_Of_Maintaining_Natural_Ecosystems__Preservation_Versus 时间:2013-11-13
Value Of Maintaining Natural Ecosystems: Preservation Versus Conservation In this paper the topic of conservation versus preservation of natural ecosystems will be discussed. The topic of preservation and conservation will be defined and discussed. What is more important, preservation or conservation' Are they equally important, all of which will be discussed. The practices of preser
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Eyewitness_Testimony 时间:2013-11-13
Eyewitness Testimony Introduction Eyewitness testimony can be defined as the evidence given by an individual in court about people and events of a crime. Eyewitnesses testify about many things, for example, the identification of a perpetrator, which hand a gunman used, the colour of a car, or even recollections of a conversation (Wells & Olsen, 2003). Comprehensive psychological r
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Eyewitness_Testimony 时间:2013-11-13
Eyewitness Testimony Introduction Eyewitness testimony can be defined as the evidence given by an individual in court about people and events of a crime. Eyewitnesses testify about many things, for example, the identification of a perpetrator, which hand a gunman used, the colour of a car, or even recollections of a conversation (Wells & Olsen, 2003). Comprehensive psychological r
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Ebola_Virus 时间:2013-11-13
Ebola Virus Ebola Virus The Ebola virus, named after the Ebola River in Zaire, is a highly contagious virus. Ebola is one of the most frightening viruses to come out of the African continent. It spread through villages and killed many people. These people had respiratory problems, loss of appetite, and severe hemorrhaging after infection. Its fatality rate is from 50 to 90 percent.
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What_Are_The_Ethical_And_Social_Implications_Of_Genetic_Engi 时间:2013-11-13
What Are The Ethical And Social Implications Of Genetic Engineering' Human genetic engineering Biological scientists have in recent years made extraordinary progress in analyzing the functions of cells and tissues and the molecules that constitute them. The most striking of these advances has been the development of recombinant DNA technology which permits the splicing together of the g
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History_Of_Anthrax 时间:2013-11-13
History Of Anthrax INTRODUCTION AND HISTORY Anthrax is a zoonotic disease caused by the bacteria Bacillus anthracis. The disease occurs in both domesticated and wild animals, primarily herbivores, including goats, sheep, cattle, horses and swine. Humans usually become infected by contact with an infected animal or from contaminated animal products. Most commonly infection occurs vi
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Air_Pollution_-_Auto_Emissions 时间:2013-11-13
Air Pollution - Auto Emissions Air Pollution Auto Emissions Introduction Automobiles have revolutionized Americas economy, completely reinvented Americas lifestyle, and caused the creation of the methods of mass production we use today. Petroleum, once a practically useless commodity, is sold and bought by million barrels. Hundreds of thousands of jobs were created to fill t
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Cloning 时间:2013-11-13
Cloning When most people think of cloning they think of the worst, and why shouldnt they' Media today has only filled their head with made up stories and science fiction novels that will make people scared of something they know nothing about. When people think of human cloning they think of Hitlers clones running around causing wars and killing people. People also think that cloning m

