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Science Essays

4,476 Science Free Papers: 2,401 - 2,430

  • Lord Kelvin Letter to the Government

    Lord Kelvin Letter to the Government

    October 21, 1854 The Rt Hon The Viscount Palmerston Dear Sir, As you well know, the construction and completion of the transatlantic telegraph has been delayed due to miscalculations. I have been studying this and believe that my calculations will make this venture triumphant. I do humbly realize that a

    Essay Length: 261 Words / 2 Pages
  • Louisiana's Coastal Land Loss

    Louisiana's Coastal Land Loss

    Louisiana's Coastal Land Loss A growing concern for the people of Southeast Louisiana is the state's coastal land loss which has been occurring with increasing speed in the last few years. This land loss is a result of the parasitic relationship between nature and men. From the time that Louisiana

    Essay Length: 1,002 Words / 5 Pages
  • Low Noise Amplifier

    Low Noise Amplifier

    low noise amplifier (LNA) is a special type of electronic amplifier or amplifier used in communication systems to amplify very weak signals captured by an antenna. It is often located very close to the antenna. If the LNA is located close to the antenna, then losses in the feedline become

    Essay Length: 280 Words / 2 Pages
  • Lower Body Flexibility

    Lower Body Flexibility

    The researcher seeks to investigate the literature involving the most effective positions, exercises, and duration of stretches to help improve flexibility in hamstring muscles. Physicians have been concerned about proper stretching of the hamstrings for a long time; many stretching techniques have been suggested in journals. The researcher seeks to

    Essay Length: 2,749 Words / 11 Pages
  • Lpn-Rn Pathway Versus Traditional Rn Program

    Lpn-Rn Pathway Versus Traditional Rn Program

    Surname Student’s Name Professor`s Name Course Date LPN-RN Pathway versus Traditional RN Program There are multiple similarities and differences as well as advantages and disadvantages between pursuing an associates degree in nursing by first obtaining the LPN degree, then attending a bridge program for the associates versus doing the whole

    Essay Length: 988 Words / 4 Pages
  • Lqts Patient with a Diagnosis of Asthma

    Lqts Patient with a Diagnosis of Asthma

    LQTS PATIENT WITH A DIAGNOSIS OF ASTHMA S. Collins et al. / Paediatric Respiratory Reviews 13 (2012) 100–10 Once a diagnosis of asthma has been made in these patients, careful assessment of the severity of symptoms should be made. These patients should already be on a ß-blocker as part of

    Essay Length: 673 Words / 3 Pages
  • Lsd - Lysergic Acid Diethylamide

    Lsd - Lysergic Acid Diethylamide

    LSD The psychedelic effects of d-Lysergic Acid Diethylamide-25 (LSD) were discovered by Dr. Albert Hoffman by accident in 1938. In the 1950s and 1960s, LSD was used by psychiatrists for analytic psychotherapy. It was thought that the administration of LSD could aid the patient in releasing repressed material. It was

    Essay Length: 4,274 Words / 18 Pages
  • Lucy


    Lucy On November 24th, 1974, a group of paleontologists led by Dr. Donald Johanson discovered a partial skeleton approximately 3.5 million years old in the Afar region of Ethiopia. Johanson, along with colleague Tom Gray had been focusing their interests on another part of the Afar area, when Johanson decided

    Essay Length: 391 Words / 2 Pages
  • Lucy's Baby

    Lucy's Baby

    UCF Spring 2007 While on an expedition to the Great Rift Valley in Ethiopia in 2000 paleoanthropologist Zeresenay Alemseged was surveying a site called Dikika with his team. While surveying, team member Tilahun Gebreselassie was the first to see the most incredible find, the remains of a juvenile Australopithecus afarensis.

    Essay Length: 582 Words / 3 Pages
  • Luis Leloir

    Luis Leloir

    Luis Frederico Leloir, an Argentine biochemist, graduated with an M.D. in 1932. He then worked on his thesis under Bernardo Houssay at the University of Buenos Aires for about two years on the role of the adrenals on carbohydrate metabolism. Houssay recommended for him to go abroad to improve his

    Essay Length: 519 Words / 3 Pages
  • Lung Cancer

    Lung Cancer

    Lung cancer is the most common cancer-related cause of death among men and women. Lung cancer can be undetected for many years causing it to become more dangerous and possibly fatal. There is not cure for lung cancer or any cancer, but if detected in an early stage the lung

    Essay Length: 571 Words / 3 Pages
  • Lung Cancer

    Lung Cancer

    Lung cancer is the leading cancer killer in both men and women. There were an estimated 164,100 new cases of lung cancer and an estimated 156,900 deaths from lung cncer in the United States in 2000. The rate of lung cancer cases appears to be dropping among white and African-American

    Essay Length: 754 Words / 4 Pages
  • Lung Cancer

    Lung Cancer

    Lung 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

    Essay Length: 804 Words / 4 Pages
  • Lupus



    Essay Length: 764 Words / 4 Pages
  • Lupus - Definition of the Disease

    Lupus - Definition of the Disease

    Lupus Definition of the Disease Lupus is a chronic inflammatory disease of unknown cause that can affect virtually any part of the body. The medical term for Lupus is Systemic Lupus Erythematosus or better known as SLE. With Lupus there is a malfunction in some of the cells of

    Essay Length: 1,070 Words / 5 Pages
  • Lyme Disease

    Lyme Disease

    Etiology Lyme disease is an illness that is caused by a spirochete bacterium, Borrelia burgdorferi, which is transmitted to humans through the bite of infected ticks. Ixodes dammini, which is the deer tick, is located in the northwest and Midwest region of the united states, are commonly known to

    Essay Length: 557 Words / 3 Pages
  • Lysergic Acid Diethylamide

    Lysergic Acid Diethylamide

    Lysergic Acid Diethylamide Imagine seeing radiant colors, rippling surfaces, and inanimate objects come to life. One of the most controversial, well known, and most used hallucinogens is lysergic acid diethylamide- LSD. It has influenced hundreds of thousands including The Beatles, famous chemist Laureate Kary Mullis; even the founder of Microsoft

    Essay Length: 1,136 Words / 5 Pages
  • Lysergic Acid Diethylamide (lsd)

    Lysergic Acid Diethylamide (lsd)

    Lucy in the Sky with Diamonds Hallucinogens were once used during religious practices, though in the 60s the hallucinogen LSD ( lysergic acid diethylamide) became commonly used among the "Hippies." These youths introduced LSD into the more artistic culture. Musicians, poets, and artist felt they performed better and broadened

    Essay Length: 505 Words / 3 Pages
  • Lysozyme Isolation and Purification

    Lysozyme Isolation and Purification

    Lysozyme, also known as mucopeptide N-acetyl-muramoylhydrolase, is widely distributed in many tissues in plants and animals. It was discovered in 1922 by Alexander Flemming while he was suffering from a cold and let some of his nasal secretions fall on a plate of bacteria and later noticed that the bacteria

    Essay Length: 412 Words / 2 Pages
  • M.O.D Ceramic onlay, a Case Study

    M.O.D Ceramic onlay, a Case Study

    M.O.D Ceramic Onlay: A Case Study The procedures done for the restoration of tooth number 45 were those of an all ceramic M.O.D onlay piece, and as described in the case study, the proposed treatment techniques conserves the remaining tooth structure, reestablishes function, offers satisfactory esthetics, and be considered

    Essay Length: 3,353 Words / 14 Pages
  • Macroinvertebrates Science Project

    Macroinvertebrates Science Project

    Abstract: The project was conducted to see if the imperviousness of the area had a correlation with the water pollution. The hypothesis stated that there would be more pollution with the higher percent of imperviousness. The first, and probably the hardest step to this project, was finding streams that were

    Essay Length: 1,457 Words / 6 Pages
  • Mad Cow Diease

    Mad Cow Diease

    Bovine Spongiform Encephalopathy or Mad Cow Disease (BSE), degenerative brain disorder of cattle. Symptoms in cows include loss of coordination and a typical staggering gait. Affected animals also show signs of senility, for example, lack of interest in their surroundings, the abandonment of routine habits, disinterest in feed and water,

    Essay Length: 848 Words / 4 Pages
  • Maggot Therapy in Medicine

    Maggot Therapy in Medicine

    maggot therapy mechanisms of action Medicinal maggots have at least two confirmed beneficial effects on wounds that can be supported by laboratory investigations. They are debridement, or elimination of necrotic tissue, and removal of pathogenic bacteria. There is moreover, evidence from recent studies that they may also accelerate wound healing

    Essay Length: 2,291 Words / 10 Pages
  • Maglev Trains

    Maglev Trains

    The need for fast and reliable transportation is increasing throughout the world. High-speed rail has been the solution for many countries. Trains are fast, comfortable, and energy-efficient. The United States is years behind European countries in high-speed rail research and development. Meanwhile, in Germany and Japan, magnetic levitation may be

    Essay Length: 3,108 Words / 13 Pages
  • Magnetic Therapy

    Magnetic Therapy

    I read a piece about magnetic therapy and the debate of whether it relieves pain, cures diseases, or increases circulation of blood. The article came to the conclusion that small static magnets, in fact, have no affect whatsoever on any of the above stated claims that companies have made.

    Essay Length: 321 Words / 2 Pages
  • Magnetism


    History of magnetism Early Discoveries In the early discoveries people of ancient greece and china discovered a lodestone (the natural form of a magnet). Through experiments they found out that a lodestone would always point in a north-south direction if it was allowed to rotate freely. They applied this charistic

    Essay Length: 348 Words / 2 Pages
  • Malacca


    Brief History Malacca's (one of the states in Malaysia) strategic location as the bridge between Europe and East Asia made Malacca a major regional entrepot in the 16th century, where Chinese, Arab, Malay, and Indian merchants traded goods. Ships from the east traveling to the west and vice versa have

    Essay Length: 1,718 Words / 7 Pages
  • Malaria


    Malaria is a potentially fatal illness of tropical and subtropical regions. The disease is caused by a parasite which is transmitted to human beings bitten by infected mosquitoes. The disease is widespread in Africa, and over one million people die of malaria every year on the continent. WHICH AREAS HARBOUR

    Essay Length: 1,127 Words / 5 Pages
  • Malaria - the Disease

    Malaria - the Disease

    The Disease............... That lead everyone in for a great awaking. Malaria in humans is caused by a protozoon of the genus Plasmodium and the four subspecies, falciparum, vivax, malariae, and ovale. The species that causes the greatest illness and death in Africa is P. falciparum. The disease is transmitted by

    Essay Length: 1,683 Words / 7 Pages
  • Malaria Fever

    Malaria Fever

    Malaria (also called biduoterian fever, blackwater fever, falciparum malaria, plasmodium, Quartan malaria, and tertian malaria) is one of the most infectious and most common diseases in the world. This serious, sometimes-fatal disease is caused by a parasite that is carried by a certain species of mosquito called the Anopheles. It

    Essay Length: 1,349 Words / 6 Pages
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