Science Essays
4,476 Science Free Papers: 391 - 420
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Arsenic
Arsenic is a chemical element on the periodic table. It is has an atomic number 33 and has the symbol As. Arsenic is a poisonous element and it is a metalloid. Arsenic is used in pesticides, because its very harmful to humans it is diluted and made to a less
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Arsenic Case
Arsenic is a major drinking water pollutant and has become an increasing problem in the 21st century. Due to large amounts of arsenic found in water and soils, there has been an increasing amount of arsenic found in many other foods and beverages, such as rice, which has led to
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Arterial Blood Gases - Abg's
Arterial Blood Gases-ABGs What are ABGs? ________________________________________ ABGs, or Arterial Blood Gases, are a measurement of the body's acid/base balance and oxygenation status. pH -the concentration of hydrogen ions (H+) normal pH=7.35-7.45 paCO2 -the partial pressure of carbon dioxide (acid) in the blood, some of which is on its way
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Arthritis
Arthritis. Arthritis is a disease that in some way effects everyone. Whether you have arthritis or not, chances are, you know someone who does and can see the effect it has on them. There are some common misconceptions about arthritis, types of arthritis, and the causes. There are in
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Arthropod Diverisy
Arthropods are part of the largest and most diverse phylum in the animal kingdom. The phylum which I am speaking of is called Arthropoda, which is Latin for "jointed feet." Arthropods are arranged of more than one million invertebrate species within four subphyla. The four subphyla consist of five
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Arthur Kornberg
Arthur Kornberg Written by: jrreid A. Personal Information Arthur Kornberg (1918-), American biochemist and physician, claims he has never met "a dull enzyme." He has devoted his life to pursuing and purifying these critical protein molecules. His love of science did not spring from a family history rooted in science.
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Article Review
Article Review On March 30, 2006, Shankar Vedantam's article, "Brain Development and Intelligence Linked, Study Says" was published in The Washington Post. A group of scientists at the National Institute of Mental Health conducted numerous brain scans on 309 children who were between the ages of 6 and 19. These
Rating:Essay Length: 483 Words / 2 Pages -
Article Summary Ozone Layer
Article Reflection: Ozone Layer Ozone: The Pollution Paradox This article was based on information about ozone pollution. In my opinion this article gave a lot of valuable information and I learned a lot of things I never had knowledge of. For example, the atmosphere forms and destroys the ozone,
Rating:Essay Length: 337 Words / 2 Pages -
Artificial Heart
Artificial Heart The never ending pursuit of advancement by science and technology in its endeavor to ease the human life has been so tremendous that what we once thought was unfeasible is now a reality, such as in the creation of artificial organs. From an historic angle, no one would
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Artificial Insemination: What You Need to Know
Artificial Insemination: What you need to know By: Brittany Joiner Did you know that here are many people that are enable to have children the natural way? Well now there is ways around such a tragic obstacle it's called Artificial Insemination. In this paper I will tell you everything you
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Artificial Intelligence
Artificial Intelligence Recently, the media has spent an increasing amount of broadcast time on new technology. The focus of high-tech media has been aimed at the flurry of advances concerning artificial intelligence (AI). What is artificial intelligence and what is the media talking about? Are these technologies beneficial to our
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Artificial Intelligence (ai)
The Intelligent Computer This book is about the field that has come to be called Artificial Intelligence. In this chapter, you learn how to define Artificial Intelligence, and you learn how the book is arranged. You get a feeling for why Artificial Intelligence is important, both as a branch of
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Artificial Life and Intelligence
Artificial Life and Intelligence Websites: http://www.humanoidrobots.org/humanoids2005/ http://www.washingtonpost.com/wp-dyn/articles/A25394-2005Mar10.html http://www.humanoid.waseda.ac.jp/Humanoids200 One of the most interesting topics of our time is that of artificial life and artificial intelligence. In other words, non-human man-made intelligence. I will examine in particular humanoid intelligence. Most scientists today agree that walking; talking humanoid robots with social
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Artificial Sweeteners
Americans are extremely addicted to sugar. Apparently, our nutrition experts claim that eating artificial sugars to satisfy our sugar addiction is part of a healthy diet. Replacing sugars in beverages, honey, etc., can dramatically reduce the amount of calories that are consumed. Although this appears to be healthy for the
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Artifitial Insemination
Shawn Breneman Animal Science Seminar March 11, 2004 INTRODUCTION The development and usage of artificial insemination (AI) has come a long way since it was first done successfully in 1784 when an inseminated dog whelped three pups 62 days later. (Foote., 2002) The usage of AI technologies is swine has
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Ascorbic Acid
In the following experiment, the amount of vitamin C content in Sunny D will be compared to regular Prairie Farms® orange juice, as well as a standard sample. This will determine the amount of each of these juices that should be consumed daily to achieve the recommended daily allowance to
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Aspartame Dangers
Aspartame Dangers The dangers of aspartame poisoning have been a well guarded secret since the 1980s. The research and history of aspartame is conclusive as a cause of illness and toxic reactions in the human body. Aspartame is a dangerous chemical food additive, and its use during pregnancy and by
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Aspects of Decomposition
Aspects of Decomposition: A Brief Overview Kyle Jackman Animals are complex creatures. The animal can perform such tasks as reproduction, digestion, and simply movement. This is leaving out the more basic functions of respiration, circulation, and various maintenance functions. All of these processes are very complex, from the superficial all
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Aspirin History and Uses
What is Aspirin? Aspirin is on of the first drugs to ever be commonly used and is still one of the most widely used in the world. How widely used you ask? Approximately 35000 metric tonnes are produced and consumed every year. Chemically aspirin is known as acetylsalicylic acid
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Assessment Questionaire
1. How would you handle a client who goes against your ethnical beliefs? I would put aside my beliefs and differences to help the client the best I could. If any problems occur, I would refer them to another agency that can help. 2. What will you do to improve
Rating:Essay Length: 610 Words / 3 Pages -
Assignment - Dehyrdation
Assingment: Dehydration Have you ever noticed after working out at the gym you may be a little dizzy, or nauseous? It’s because you are dehydrated вЂ" which means “excessive loss of water resulting in depletion of body fluids” (Grosvenor & Smolin, 2006). Adults lose nearly two to three quarts (12
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Assignment Case
DREDGING The unloading area will be a vacant lot that is heavily vegetated, the entailed vegetation loss and the subsequent disturbance and dispersal of the fauna thriving in it would be significant. Trees, grasses and other vegetation will be removed from the ground resulting in the reduction of the ecosystem
Rating:Essay Length: 282 Words / 2 Pages -
Assisted Reproduction
Assisted reproduction is a process that "facilitates sperm-egg interaction and, therefore, improves the likelihood of fertilization and pregnancy in infertile couples, (Stonybrook University Hospital, 2007)." Assisted Reproduction has only been around for three decades. There are many different procedures that are included as assisted reproduction. There is medication to induce
Rating:Essay Length: 378 Words / 2 Pages -
Asteroid Defense
The U.S. federal government is summoning the world's top scientists to an urgent conference this summer to plan defenses against an attack that could wipe out an American city or disrupt the whole country's infrastructure. No, it's not global terrorism. The scientists will map ways to combat an asteroid attack,
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Asteroids, Meteorites & the Solar System
Asteroids Asteroids are massive lumps of rock that orbit the Sun. They can be anything up to 1000 kilometers wide and are sometimes described as minor planets. Most asteroids in the Solar System lie in a belt - the Asteroid Belt - orbiting the Sun between Mars and Jupiter, but
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Asthma
Asthma is a chronic inflammatory disorder of the airways. These airways are passages of the lungs through which air, containing oxygen, passes in and carbon dioxide passes out. The disease occurs because of chronically inflamed airways. The airways become hyper responsive; they become obstructed and airflow is limited. The
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Asthma
As what I read from the book, I learn that inheritance is the process by which an offspring cell or organism becomes predisposed to characteristics of its parent cell or organism. As the book says, if both homologous chromosomes in an organism have the same allele at a given gene
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Asthma
Immanuel Kant is one of the most influential philosophers in the history of Western philosophy. His contributions to metaphysics, epistemology, ethics, and aesthetics have had a profound impact on almost every philosophical movement that followed him. This portion of the Encyclopedia entry will focus on his metaphysics and epistemology in
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Asthma
I chose this topic because I had asthma a long time ago when I was a small child. My asthma symptom developed when I was five years old, and I fought through it for almost seven years. Now although I donЎЇt have this disease anymore and donЎЇt need to take
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Asthma Control During the Year After Bronchial Thermoplasty
ABSTRACT Background Bronchial thermoplasty is a bronchoscopic procedure to reduce the mass of airway smooth muscle and attenuate bronchoconstriction. We examined the effect of bronchial thermoplasty on the control of moderate or severe persistent asthma. Methods We randomly assigned 112 subjects who had been treated with inhaled corticosteroids and long-acting
Rating:Essay Length: 4,938 Words / 20 Pages