Science
The scientific world contains a wealth of knowledge that enables mankind to live the way it does. EssaysForStudent.com can help you close the gaps in your knowledge.
4,610 Essays on Science. Documents 2,491 - 2,520
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Loggerhead Sea Turtle
Caretta caretta is commonly called the "Loggerhead" sea turtle due to their overly large heads, which are comprised of a horny beak that is significantly thicker than in other sea turtles. This species is the largest hard-shelled turtle in the world. Loggerhead turtles have large heads (when compared to other species of marine turtles) and strong, muscular jaws (which help them crush prey such as crabs and lobsters). The loggerhead sea turtle is a marine
Rating:Essay Length: 993 Words / 4 PagesSubmitted: December 15, 2009 -
Logic and Perception
Delegation Paper By Donald Bowcott Delegation by management within the Healthcare system is one, which allows the staff to develop their skills and knowledge to the full potential without hesitation. This allows each individual the opportunities to communicate with those in management and a dynamic tool for motivating and training the team to realize their full potential and self-accountability. Management in my hospital usually delegates as a primary means of entrusting your authority to
Rating:Essay Length: 1,037 Words / 5 PagesSubmitted: November 19, 2009 -
Look at What Technology Has Done
Look at What Technology has Done “The Veldt” by Ray Bradbury displays family life during some point of the future. Although his interpretation of family life may seem extreme, a person may read this story and deem practices within as normal in his canonical worlds. This short story points out how depressing the human’s condition has become. Tools and machineries remove the affection that puts together the parents’ and children’s relationship. Families today are
Rating:Essay Length: 1,547 Words / 7 PagesSubmitted: January 14, 2010 -
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 large amount of Britain’s monies have been spent on this venture; however, through more evaluations and enhancements, I know that it has the potential to
Rating:Essay Length: 261 Words / 2 PagesSubmitted: April 6, 2010 -
Lost the Show
"LOST" redirects here. For other uses, see Lost (disambiguation). Lost Lost title screen Genre Drama Thriller Science fiction Adventure Mystery Created by Jeffrey Lieber J.J. Abrams Damon Lindelof Directed by Jack Bender Stephen Williams Eric Laneuville Starring Adewale Akinnuoye-Agbaje Naveen Andrews Henry Ian Cusick Jeremy Davies Emilie de Ravin Michael Emerson Matthew Fox Jorge Garcia Maggie Grace Josh Holloway Malcolm David Kelley Daniel Dae Kim Yunjin Kim Ken Leung Evangeline Lilly Rebecca Mader Elizabeth Mitchell
Rating:Essay Length: 543 Words / 3 PagesSubmitted: November 16, 2009 -
Lotus Car Rental
Lotus Car Rental has a research team on a special project; their assignment is to look up all the different types of alternative fuel. The company main concern is cost of the fuel and how accessible the fuel would be to their consumers. While Lotus Car Rental would like to be one of the first rental companies to add alternative fuel vehicles to their fleet, alternative vehicles most be cost efficient. Types of Fuels
Rating:Essay Length: 325 Words / 2 PagesSubmitted: February 8, 2010 -
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 has been settled, people have altered the natural form of the land in order to accommodate their own personal interest. Louisiana has lost around 1,900
Rating:Essay Length: 1,002 Words / 5 PagesSubmitted: May 15, 2010 -
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 less critical. This "active antenna" arrangement is frequently used in microwave systems like GPS, because coaxial cable feedline is very lossy at microwave frequencies. It
Rating:Essay Length: 280 Words / 2 PagesSubmitted: February 19, 2010 -
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 summarize available evidence in an attempt to discover the most effective types of stretching. By using various journals the researcher seeks to establish which stretches
Rating:Essay Length: 2,749 Words / 11 PagesSubmitted: December 24, 2009 -
Lsd
Table of Contents Introduction Table 1:Effects of LSD A Brief Foray Into Philosophy and the Cognitive Sciences The Suspects Figure 1: Structure of LSD Overview of Synaptic Transmission Theory: LSD Pre-synaptically Inhibits 5-HT Neurons Theory: LSD Post-synaptically Antagonizes 5-HT2 Receptors Figure 2: LSD Binding at 5-HT2 Receptor Theory: LSD Post-synaptically Partially Agonizes 5-HT2 Receptors Theory: LSD Post-synaptically Agonizes 5-HT1 Receptors Conclusion References Introduction The psychedelic effects of d-Lysergic Acid Diethylamide-25 (LSD) were discovered by
Rating:Essay Length: 5,941 Words / 24 PagesSubmitted: January 7, 2010 -
Lsd
Thesis/Introduction This essay will mainly be about the drug D-lysergic Acid Diethylamide, or for short LSD. It has always been a center of controversy in American society, but little is known about it in Sweden. Research chemist Albert Hoffman first discovered the psychological effects of LSD on April 19th 1943 when he accidentally dipped his fingers in a solution containing the LSD-25 molecule. What I will try doing in this essay is to answer some
Rating:Essay Length: 715 Words / 3 PagesSubmitted: June 12, 2010 -
Lsgi1d03 Living on a Dynamic Earth
LSGI1D03: Living on a Dynamic Earth with English Writing Requirements [First] Draft Submission: [Essay on Origin and Evolution of Earth] Word count: [Number of words in the draft] words Student Name: [ ] Student ID: [ ] Group ID: EWT0[ ] Date: [6th June, 2016] LSGI1D03 Living on a Dynamic Earth Introduction This book is called Origin and Evolution of Earth: Research Questions for a Changing Planet written by Committee on Grand Research Questions in
Rating:Essay Length: 926 Words / 4 PagesSubmitted: January 30, 2019 -
Luck or Probability?
In everyday life, when it comes to things like gambling or buying lotteries, luck, or God's will is often thought to be the factor that determines the outcome. But if we take a mathematic perspective and consider it in light of probability, things may seem much less mysterious. In my hometown (Xiamen, China), we play a game to celebrate the Mid-Autumn Festival. A family or a group of friends, by turns, roll a set
Rating:Essay Length: 472 Words / 2 PagesSubmitted: May 29, 2010 -
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 to move in a different direction and hoped to get lucky. Johanson discovered portions of an arm bone and quickly declared it as a hominid.
Rating:Essay Length: 391 Words / 2 PagesSubmitted: December 9, 2009 -
Lucy in the Sky with Diamonds
Lucy in the Sky with Diamonds http://www.findarticles.com/p/articles/mi_g2699/is_0004/ai_2699000490 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 their talents by taking this drug. During the 90s LSD made its comeback of being the most commonly used drug because of the cheap cost
Rating:Essay Length: 505 Words / 3 PagesSubmitted: November 24, 2009 -
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. Over four more seasons of searching and sifting, the team has unearthed a near-complete skeleton, piece by piece. Remarkably this discovery was found only six
Rating:Essay Length: 582 Words / 3 PagesSubmitted: December 17, 2009 -
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 understanding so he went to the Biochemical Laboratory of Cambridge University, England where he remained for a year before returning to the Institute of Physiology
Rating:Essay Length: 519 Words / 3 PagesSubmitted: June 13, 2010 -
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 men in the United States, while it continues to rise among both white and African-American women. There are two major types of lung cancer: non-small
Rating:Essay Length: 754 Words / 4 PagesSubmitted: December 23, 2009 -
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 cancer can be detected, treated, and hopefully terminated. There are many new and developing treatments being tested now that may save lives in the future.
Rating:Essay Length: 571 Words / 3 PagesSubmitted: February 24, 2010 -
Lupus
Lupus is one of the many diseases which can cause harm to one’s body and can lead or trigger other various diseases. It causes many symptoms depending on each person and mimics other diseases, which makes it hard to diagnose and treat. Lupus is another type of autoimmune disease which causes the white blood cells to attack the body’s healthy tissues and cells because they cannot recognize the difference between good cells and the harmful
Rating:Essay Length: 1,126 Words / 5 PagesSubmitted: November 10, 2009 -
Lupus
PLEASE NOTE: IF I DO NOT GET INSTANT ACCESS TO THIS SITE YOU DO NOT HAVE PERMISSION TO USE MY PAPER. IF I AM NOT ON THIS SITE WITHIN 5 MINUTES OF SUBMITTING THIS AND ABLE TO BROWSE THE PAPERS YOU DO NOT HAVE PERMISSION TO USE MY PAPER. IF I SEE MY PAPER ON THIS SITE AND DO NOT HAVE INSTANT ACCESS I WILL SEEK LEGAL ACTION. Lupus Lupus is a potentially life threatening
Rating:Essay Length: 764 Words / 4 PagesSubmitted: December 18, 2009 -
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 the immune system. "In Lupus, the body overreacts to an unknown stimulus and makes to many antibodies, or proteins directed against body tissue. Thus, Lupus
Rating:Essay Length: 1,070 Words / 5 PagesSubmitted: November 9, 2009 -
Lyme Disease
Abstract Spring has arrived, people emerge from their wintertime captivity to enjoy the great outdoors. Unfortunately there is a small insect as well who likes to introduce himself to the warm weather too. It is the tick, best known as the carrier of the bacteria that cause Lyme disease – the silent plague. Lyme disease may be on people's minds as the weather warms up and people spend more time outside their home. What exactly
Rating:Essay Length: 957 Words / 4 PagesSubmitted: February 24, 2010 -
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 infect humans. They are found in grassy areas (including lawns), and in brushy, shrubby and woodland sites, even on warm winter days. They prefer areas
Rating:Essay Length: 557 Words / 3 PagesSubmitted: May 14, 2010 -
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 has admitted, “Computers would not have advanced as quickly as they have without it” (Hunt). Hallucinogenic drugs alter a person's perceptions of reality as well
Rating:Essay Length: 1,136 Words / 5 PagesSubmitted: December 16, 2009 -
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 as an alternative restoration. For patients demanding aesthetic restoration, ceramic onlays provide a durable alternative to posterior composite resins. Dental ceramics are considered to be
Rating:Essay Length: 3,353 Words / 14 PagesSubmitted: March 16, 2010 -
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 all similar with a shallow riffle. Then the conductor will place a net in the water, start the timer and turn over as many rocks
Rating:Essay Length: 1,457 Words / 6 PagesSubmitted: March 31, 2010 -
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, or unpredictable behavior. Affected cattle show symptoms when they are three to ten years old. First identified in Britain in November 1986, over 170,000 cases
Rating:Essay Length: 848 Words / 4 PagesSubmitted: November 23, 2009 -
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 by promoting the formation of granulation tissue as suggested by the early literature, Wound debridement activity Necrophagous larvae feed on the dead tissue, cellular debris,
Rating:Essay Length: 2,291 Words / 10 PagesSubmitted: May 23, 2010 -
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 an even better solution. Maglev research and development began in Germany and Japan during the early 1970's. After laboratory tests in both countries, a test
Rating:Essay Length: 3,108 Words / 13 PagesSubmitted: March 5, 2010