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 4,321 - 4,350
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Uk Gelatin
UK Gelatin Bovine Spongiform Encephalopathy, or BSE, is a degenerative disease affecting the central nervous system of cattle causing the brain to appear as a sponge. The cattle then begin acting abnormally and eventually have to be killed. BSE can be transmitted to humans if they consume raw meat from an infected cow or if one consumes the eyeballs, spinal tissue, or the brain. This disease is known as Creutzfeldt-Jakob disease. Another disease similar to
Rating:Essay Length: 1,029 Words / 5 PagesSubmitted: November 20, 2009 -
Ukraine Population Crisis
Biology Coursework - Osmosis Aim: The aim of this investigation is to discover the concentration of sugar within the cells of potatoes. Prediction: Osmosis is the net movement of water molecules in cells from a high to low water potential through a partially permeable membrane as shown below. In plants, when a cell has a high water potential and contains a lot of water is known as turgid. Cells with low water potential and less
Rating:Essay Length: 2,640 Words / 11 PagesSubmitted: February 7, 2010 -
Ultraviolet Rays & Dna Factors That
BIOLOGY RESEARCH PAPER ULTRAVIOLET RAYS & DNA FACTORS THAT INFLUENCE SKIN CANCER BY PATRICE WILLIAMS BSC1005 LIFE IN ITS BIOLOGICAL ENVIRONMENT PROFESSOR MOORE July 30, 2001 Ultraviolet Rays & DNA Factors that Influence Skin Cancer “Cancer”, its a disease that has claim the lives of millions, its a disease that so far has no known cure, and its a disease that has many different forms. Cancer is defined as “a malignant form of tumors, which
Rating:Essay Length: 625 Words / 3 PagesSubmitted: January 3, 2010 -
Ulysses
The Ulysses Mission is the first spacecraft to explore interplanetary space at high solar latitudes. Ulysses is both a study of the European Space Agency (ESA) and the National Aeronautics and Space Administration (NASA) of the USA. The spacecraft and spacecraft operations team is provided by ESA, and the launch and the spacecraft, radio tracking, and data management operations are provided by NASA. Scientific experiments are provided by investigation teams in both Europe and USA.
Rating:Essay Length: 593 Words / 3 PagesSubmitted: May 28, 2010 -
Uncle
how to get a piece of The purpose of this report is to develop an understanding of how the digital camera industry operates in today’s society as well as several factors, which influence consumer behaviour in the buying process. This report uses Canon Inc as an illustration along with the discussion of each topic. Firstly, this report will discuss the background and size of the digital camera industry. The digital camera industry is getting bigger
Rating:Essay Length: 264 Words / 2 PagesSubmitted: March 21, 2010 -
Underage Smoking
In today's world there are many moral issues that take place in society as well as in the business world. On Friday, February 4, 2000, the Washington Post printed an article titled "Underage Smoking Fine Sought for Big Tobacco." Currently and in the past, the tobacco industry has fought many moral issues with the Federal Government and the general public. This particular article written by Charles Babington has two problems, which are, the federal government's
Rating:Essay Length: 1,019 Words / 5 PagesSubmitted: November 23, 2009 -
Understanding Anxiety
Anxiety is an emotional and physical reaction to a threat, whether it is real or imagined. It is an unpleasant emotional state, which ranges from a vague uneasiness to intense fear or even overwhelming panic attacks. Thoughts and emotions associated with anxiety include apprehension, dread, fear, irritability and uneasiness; often accompanied by physical symptoms, including bad dreams, dry mouth, fatigue, headaches, inability to sleep, increased pulse rate, muscle tension or trembling, and sweating. Generalized Anxiety
Rating:Essay Length: 277 Words / 2 PagesSubmitted: February 9, 2010 -
Understanding Dementia and Alzheimer’s Disease
Understanding Dementia and Alzheimer’s Disease Dealing with Dementia and the progression of Alzheimer's disease through its three stages is often a daunting and distressing task. Most often relatives feel isolated and without help as if they were to be left alone, having no help to deal with the “unknown”. They are also afraid of having to watch their loved ones become more and more distant, potentially losing a horrible battle with this disease. In order
Rating:Essay Length: 5,800 Words / 24 PagesSubmitted: January 2, 2010 -
Understanding Diabetes and Its Complications
Understanding Diabetes and Its Complications An estimated 16 million people in the United States have diabetes-more than one third are not aware that they have the disease. This year alone, more than 798,000 cases will be diagnosed. Diabetes is the seventh leading cause of death by disease in the United States; this year alone, more than 187,000 Americans will die from this disease and its complications (CDC). Education about diabetes is essential to understanding the
Rating:Essay Length: 989 Words / 4 PagesSubmitted: June 6, 2010 -
Understanding Digital Biology
UNDERSTANDING DIGITAL BIOLOGY Explaining digital biology is impossible without explaining its principle. The purpose of this text is not to report experimental results. Rather, it tries to explain to laymen, in the simplest terms, this radically new approach to biology. We hope it will be useful to all, scientists or not, who find it hard to "make the leap". Indeed, is it possible to believe that the specific activity of biologically-active molecules (e.g. histamine, caffeine,
Rating:Essay Length: 2,082 Words / 9 PagesSubmitted: December 29, 2009 -
Understanding Pulmonary Hypertension
Understanding Pulmonary Hypertension The human body is a very complex organism composed of different types of systems and functions. All the functions that each system has, is what makes possible for the body to obtain life. One of the most important systems in one’s body is the circulatory system, where the heart, the lungs, and the blood vessels work together to form the circle part of the circulatory system. The pumping of the heart forces
Rating:Essay Length: 949 Words / 4 PagesSubmitted: November 8, 2009 -
Understanding the Brain
Understanding human brain Rakesh Mohan Hallen Believe it or not, the biggest challenge to the best brains in the world today is to understand and emulate the brain. It is the center of perception whether of the universe or the self. No wonder we strive to understand it. Our efforts have yielded some results. How far we understand it today is reflected in the following queries. The Organ · What is brain? · How does
Rating:Essay Length: 1,524 Words / 7 PagesSubmitted: December 14, 2009 -
Underwater Surveying Techniques
Singh, Hanumant; Adams, Jonathan; Mindell, David; and Foley, Brendan 2000 Imaging Underwater for Archaeology. Journal of Field Archaeology volume 27 number 3: 319-328. The article by the various authors listed above concentrated on the various techniques that are used to locate and then to excavate these sites. They list and discuss the various techniques that they use. These vary from side-scanning to locate the sites to high resolution video to see how the site appears
Rating:Essay Length: 601 Words / 3 PagesSubmitted: December 12, 2009 -
Unfccc Negotiations
Surname Name Instructor’s Name Course Number Date UNFCCC Negotiations One of the current negotiations was held in Germany on June 2014 that focused on three areas. These include the subsidiary body for scientific and technological advice (SBSTA), the subsidiary body for implementation (SBI) and the ADP. In the first two items, focus was mainly on the implementation of the consorted decisions whereas, the third item is scheduled to be implemented come the year 2020. Compared
Rating:Essay Length: 298 Words / 2 PagesSubmitted: October 23, 2015 -
Unidentified Flying Object - Ufo
If you had mentioned seeing a Unidentified Flying Object (UFO), or spaceship from another planet 100 years ago, you would probably be thought of as a raving lunatic. If you had mentioned one 50 years ago, the case would be thought about, but with much suspicion. Today, many people would believe you, and, if you had evidence to prove it, the government would take a very close interest in your case, yet many people would
Rating:Essay Length: 2,370 Words / 10 PagesSubmitted: November 17, 2009 -
Union Carbide’s Bhopal Disaster
Union Carbide’s Bhopal Disaster In 1984, as if in a nightmare, a cloud of poison gas reached out and snuffed the lives of thousands of people in the sleeping city of Bhopal, India. The residents awoke to a terrible disaster, a chemical explosion whose memory could never be erased. At the center of the tragedy was the Union Carbide pesticide plant, and surrounding the accident were doubts and accusations of negligence and unethical practices. The
Rating:Essay Length: 312 Words / 2 PagesSubmitted: April 23, 2010 -
Universe
Universe Our universe is a vast abyss, always expanding without any end. Many objects in space are exciting and interesting. One great mystery is the black hole. Ever since the early 1960 they have been the object of many scientists work. But has been talked about among great minds since 1783, when a astronomer named John Michell first recorded his findings of the black holes. Questions still surround these holes like what are black holes,
Rating:Essay Length: 321 Words / 2 PagesSubmitted: December 17, 2008 -
Universe
Two profound advances in our understanding of the universe date from the 1920s. One was the discovery that the universe is expanding, and that it is immensely larger than our Milky Way galaxy. The other was the revolutionary change from classical to quantum mechanics. The wider implications of these advances are still being explored to this day. The Universe is expanding, seemingly at a uniform rate, the galaxies are moving back from each other and
Rating:Essay Length: 637 Words / 3 PagesSubmitted: November 30, 2009 -
Universe
It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can best explain the creation of the universe. The Big Bang model postulates that about 15 to 20 billion years ago, the universe violently exploded into
Rating:Essay Length: 1,317 Words / 6 PagesSubmitted: January 23, 2010 -
Unknown Bacteria Lab Report
Introduction The purpose to this lab was to isolate and identify two unknown bacteria from a mixed culture provided to us by our instructor. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed, provided us with some key information about the unknown microbes in question and how the bacteria function. Materials and Methods Over a two week period, eight prepared
Rating:Essay Length: 1,503 Words / 7 PagesSubmitted: May 6, 2010 -
Unknown Lab Report for Microbiology
There are many reasons for identifying an unknown bacterium. The reasons range from medical purposes, such as determining if the unknown could cause ailments in living things or knowing what microorganisms are needed to make antibiotics to other purposes such as knowing the exact microorganism has to be used to make certain foods. This experiment was done by applying methods in order to identify an unknown bacterium. An unknown bacterium was handed out by the
Rating:Essay Length: 470 Words / 2 PagesSubmitted: December 28, 2009 -
Unknown Lab Report Grading Guidelines
Cover Page (5 points) ____Your name and lab section (2 pts) ____Unknown # and genus and species of unknown correctly spelled and italicized (3 pts) Gram Stain (20 points) ____Correctly stained smear with individual organisms demonstrated using 100x objective (5 pts) ____Description of what you see in words including Gram stain reaction, cellular shape and arrangement (5 pts) ____Indicate the type of microscope and total magnification used (5 pts) ____Draw a picture (colored and labeled)
Rating:Essay Length: 343 Words / 2 PagesSubmitted: April 7, 2010 -
Unlocking the Secrets of the Universe
Unlocking the Secrets of the Universe Increasing our knowledge of Physics, using the scientific method to make observations and test hypotheses is essential to unlocking the secrets of the universe. Energy is one of the most fundamental elements of the universe. Throughout history, man has endeavored to expose, understand, and explain how and why things work. This drive to expand our understanding eventually led to the development of the scientific method and what is commonly
Rating:Essay Length: 1,872 Words / 8 PagesSubmitted: January 5, 2010 -
Unprofessional Conduct
Unprofessional Conduct. Unprofessional Conduct according to the Arkansas State Board of Nursing is detailed in ASBN Rules and Regulations, Chapter 7, Section XV, #6. The section states the following conduct are considered unprofessional. Failing to assess, evaluate, and intervene, Incorrect documentation, Missappropriation of residents property, Medication and Treatment errors, Performing or attempting to perform procedures that the nurse is untrained to do, Violating confidentiality. Neglect/Abuse or failure to report these incidents, Failing to report violations
Rating:Essay Length: 492 Words / 2 PagesSubmitted: November 21, 2009 -
Unprotected Sex
unprotected sex Having unprotected sex can lead to many problems for your body. You could catch an infection from your sexual partner or could become pregnant. In order to avoid these problems you could use a condom. This will stop you from catching a disease or becoming pregnant. Sexually Transmitted Diseases STDs Unprotected sex can cause many problems for the body. Sexually Transmitted Diseases (STDs) are very common infections. Most of STDs are easy to
Rating:Essay Length: 467 Words / 2 PagesSubmitted: May 28, 2010 -
Untying the Knot
Human beings have an unquenchable thirst for knowledge and an urgent drive for understanding. The further we go on our quest for absolute truth and the deeper we plunge into the heart of the ultimate reality, the more profound our questions become. Could there be something more to this world of ours than that which meets the eye? Is there some elaborate design behind the infinite galaxies, stars, and planets, or are we simply at
Rating:Essay Length: 2,487 Words / 10 PagesSubmitted: December 4, 2009 -
Ups Competes Globally with Information Technology - Case Study
UPS COMPETES GLOBALLY WITH INFORMATION TECHNOLOGY Case Study Introduction UPS is the largest air and ground package-distribution and a provider of supply chain management solutions. Started in 1907 in a closet-sized basement office with only two people, two bicycles and one phone, pursuing the objective of the “best service and lowest rates” which has last for over 100 years. Today UPS delivers more than 13.6 million parcels and documents per day in USA and in
Rating:Essay Length: 1,291 Words / 6 PagesSubmitted: November 16, 2015 -
Uranium
Uranium was discovered by Martin Heinrich Klaproth, a German chemist, in the mineral pitchblende (primarily a mix of uranium oxides) in 1789.Klaproth, as well as the rest of the scientific community, believed that the substance he extracted from pitchblende was pure uranium, it was actually uranium dioxide (UO2). After noticing that 'pure' uranium reacted oddly with uranium tetrachloride (UCl4), Radioactivity was first discovered in 1896 when Antoine Henri Becquerel, a French physicist, detected it from
Rating:Essay Length: 570 Words / 3 PagesSubmitted: June 2, 2010 -
Uranium
Being the heaviest natural occurring element on earth, uranium is a powerful entity for many creations, including the atomic bomb. (World Nuclear Association, 2009, pg.1) It also has more passive uses, such as in nuclear reactors giving industries the power needed to operate at such high tiers of performance. But with all these great opportunities, comes create consequence. So as it is such a dangerous material, it also has been under consistent research since 1789,
Rating:Essay Length: 917 Words / 4 PagesSubmitted: April 25, 2011 -
Uranium/ Special Nuclear Material
SPECIAL NUCLEAR MATERIA L "Special nuclear material" (SNM) is defined by Title I of the Atomic Energy Act of 1954 as plutonium, uranium-233, or uranium enriched in the isotopes uranium-233 or uranium-235. In 1789, Uranium was discovered in the mineral called pitchblende, by a German chemist named Martin Klaproth. It was named after the planet Uranus, which had been discovered eight years earlier. Uranium-233 and plutonium are formed in nuclear reactors because they do
Rating:Essay Length: 1,029 Words / 5 PagesSubmitted: January 8, 2010