Science essay papers

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Science essays / Chemical Waste Disposal
A captain of a ship drunkenly crashes a massive oil tanker along a reef and changes the physical and emotional world forever. Chemical spills are major problems that plague the environment. Strict government regulation is trying to aid with this problem, but governmental leaders face many challenges. Disposal of harmful chemicals is often difficult and costly. Since chemical...
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Science essays / VIrtual Reality
Virtual reality as of recent, while still extremely new, has become the topic of many opposing viewpoints. It has caught the eye of the general public for several reasons. Perhaps, this is mainly because of all the possibilities which virtual reality creates. Note that the possibilities are not pre- determined as either good or bad, mainly because there are many different op...
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Science essays / MDMA
Can there be a Relationship between Ecstasy and Memory in the Human Body? Target Article: Parrott, A.C & Lasky, J. (1998) Ecstasy (MDMA) effects upon mood and cognition: before, during and after a Saturday night dance. Psychopharmacology, 139, 261-268. Additional Article: Parrot, A.C., Lees, A., Garnham, N.J., Jones, M., & Wesnes, K. (1998). Cognitive performance in recreationa...
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Although modern evolutionists are thought to be divided on the issues surrounding evolutionary theory, a close look at the evidence suggests that both the gradualist school of thought and the punctuationist school of thought share many characteristics in common. This is especially true when evaluating their beliefs about the fossil record, disagreement with the theory of saltation, and...
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Science essays / Cystic Fibrosis
Cystic Fibrosis is one of the most common life threatening disease in North America. One in every twenty five hundred children born in Canada has cystic fibrosis. What is Cystic Fibrosis? Cystic Fibrosis is a disease with no cure and the disorder itself is inherited. It affects the lungs and the digestive system. Cystic fibrosis affects the lung severely causing serious ...
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Science essays / Creatine
Creatine has been around forever because it is in everything that we eat, such as steak, chicken, and fish. It has been around in supplement form since the early 90's. Various professional, high school and collegiate athletes in the United States and all over the world use Creatine. Some big names in sports that are Creatine users include the likes of Shannon Sharpe of the Denver Br...
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Is trading digital music using Napster Online legal or copyright infringement? First, we must find out what Napster is and who created it. Napster is a combination of "the features of existing programs: the instant-messaging system of Internet Relay Chat, the file-sharing functions of Microsoft Windows and the advanced searching and filtering capabilities of various search engines"...
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Science essays / Computers
Computers are the future whether we like it or not. Some people dislike computers, because of the complications it takes to understand the basics. Computers are not exactly the easiest tools to work with, but they are the most rewarding, and they are the future. Future cars will all be run by computer. You will be able to talk to a car and it will take you to your destination. Telep...
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Science essays / Computer Literacy
Everywhere you look you see some sort of computer. There everywhere from schools, to the grocery store checkout line, movie theatres and even in the shirt pockets of some businessmen. Back about ten years ago it was a chore to find someone with a computer, and the Internet please what good is that. As time went on computers became just as common as television sets in homes straight acr...
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Science essays / Computer Hacking
As the world becomes more and more reliant on computers the computer hacking industry is greatly rising. With people such as Kevin Mitnick, who is known as a "computer terrorist" (Kjochaiche 1), computerized information isn't safe any more. Kevin is known as "the most high-profiled computer criminal and responsible for more havoc in the computer world today."(1) He con...
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Computer Crime has become a very large issue in our society today; this paper will look at this issue from a sociological perspective. It will analyze the various crimes that make up computer crime and see what changes it has brought about in the world in which we live in. Computer crime first is a very new problem in our society today and it is crimes that are committed from a compute...
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The societal issue being addressed in this article is the cloning of humans and nuclear cell fusion. This question lingering into every household"¦Should we be playing God? This question has substantial points on each side. Some people think that we shouldn't be manipulating nature's creations ,and we should leave things the way they are because that is the way things are meant to ...
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Science essays / Down Syndrome
Have you ever been in a situation where you were confronted by a child who has Down Syndrome and were unsure of how to act around that child? I'm sure many of us have experienced the awkwardness that accompanies such a situation. Many people feel guilt or pity for these children, I believe these reactions result from a lack of knowledge about the condition. Which is why I have chose...
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One morning, several weeks ago, my father proposed that the family subscribe to the Internet-based version of the New York Times. This was, needless to say, a preposterous suggestion, voted out immediately by the rest of the family. I, for one, knew that I could never give up that feeling of leaning back at the breakfast table, with the paper spread out before me, blocking out my surro...
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Science essays / Psychic Surgery
In the entire area of paranormal research today there is a great deal of controversy that swirls about psychic surgery. The question that comes to many people when studying psychic surgery is: "Is it possible that certain individuals can channel energy to the extent that they can literally part human flesh with a mere gesture, remove individual organs with there bare hands, then inst...
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When purchasing a cellular phone there is always the question of analog or digital. In analog cellular service the voice is transmitted over a specific radio frequency, usually 800 MHz. Digital cellular service on the other hand breaks the voice down into a binary format where the voice is represented by a series of 1's and O's. These simple definitions will help to familiarize your...
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Since the beginning of time man has looked to the sky to observe what he saw there. Some have even tried to reason the patterns that were visible. The ancient Babylonians mostly ignored how it worked and merely followed and studied the paths the heavenly objects took. The ancient Greeks took that a step further. They wanted to know how the universe actually loo...
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Science essays / Benifits Of Raid
So, you're a power computer user, you want the fastest and newest thing on the market. But that one old hard drive plagues your booth up times and file transfer rates. Sure, you could go out and drop an absorbent amount of money on that 15,000rpm SCSI drive and controller. Or if you don't have the eight or nine hundred dollars to blow, why not add another drive and put them on a RAID ...
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Mickey Mantle: What time is it? Yogi Berra: Do you mean right now? Though there are many analogies between time and space, there appear to be three commonplace yet deeply perple features of time that reveal it to be quite unlike space. These can be called "˜orientation', "˜flow' and "˜presence'. By orientation I mean that there is a direction to time, a temporal order ...
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Science essays / Your Bones In Space
Hypogravitational Osteoporosis: A review of literature. By Lambert Titus Parker. May 19 1987. (GEnie Spaceport) Osteoporosis: a condition characterized by an absolute decrease in the amount of bone present to a level below which it is capable of maintaining the structural integrity of the skeleton. To state the obvious, Human beings have evolved under Earth's gravity "1G". Our muscu...
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For a fusion reaction to take place, the nuclei, which are positively charged, must have enough kinetic energy to overcome their electrostatic force of repulsion. This can occur either when one nucleus is accelerated to high energies by an accelerating device, or when the energies of both nuclei are raised by the application of very high temperature. The latter me...
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Science essays / What Is A V-chip
This term has become a buzz word for any discussion evolving telecommunications regulation and television ratings, but not too many reports define the new technology in its fullest form. A basic definition of the V-chip; is a microprocessor that can decipher information sent in the vertical blanking of the NTSC signal, purposefully for the control of violent or controve...
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Science essays / Volcano Facts
Hot! Fire! Destruction! These are words that most people associate with volcanoes. But some good effects can come out of volcanoes. Volcanoes also have their own special mythology associated with them. A lot of volcanoes have some general characteristics in common. There are many volcanoes around the world and some have special characteristics. So come along and t...
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Imagine being able to point into the sky and fly. Or perhaps walk through space and connect molecules together. These are some of the dreams that have come with the invention of virtual reality. With the introduction of computers, numerous applications have been enhanced or created. The newest technology that is being tapped is that of artifi...
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Science essays / Virtual Reality
Virtual Reality is a creation of a highly interactive computer based multimedia environment in which the user becomes a participant with the computer in a "virtually real" world We are living in an era characterized by 3D virtual systems created by computer graphics. In the concept called Virtual Reality (VR), the virtual reality engineer is combining computer, video, image-processin...
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In this term paper, I will explain the great importance of the tropical Rainforests around the world and discuss the effects of the tragedy of rainforest destruction and the effect that it is having on the earth. I will talk about the efforts being made to help curb the rate of rainforest destruction and the peoples of the rainforest, and I will explore a new topic in th...
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Science essays / Triangles
Thales "Ship at Sea" Activity Purpose: The purpose of the activity was to learn that the Corresponding Parts of Congruent Triangles are Congruent (CPCTC), and how you can use it in different situations. We familiarized ourselves with the corresponding parts of congruent triangles. We also were supposed to find the distance to an object without actually measur...
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Science essays / Transplants And Diabetes
Three Toronto scientists have developed an organ transplant procedure that could, among its many benefits, reverse diabetes. The procedure was developed by Bernard Leibel, Julio Martin and Walter Zingg at the University of Toronto and the Hospital for Sick Children. The story of their work began in 1978, when they delved into research which had never before been tried. They wanted...
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Science essays / To Clone Or Not To Clone
The discovery of cloning can be both beneficial and harmful to society. There are many reasonable methods of cloning. For instance, the use of cloning for medical purposes can be helpful in taking human DNA and creating new body parts. Because of the shortage of donors, this could become a valuable asset to our society. Cloning of human body parts can also be harmful if it gets in...
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The Moon is the only natural satellite of Earth. The distance from Earth is about 384,400km with a diameter of 3476km and a mass of 7.35*1022kg. Through history it has had many names: Called Luna by the Romans, Selene and Artemis by the Greeks. And of course, has been known through prehistoric times. It is the second brightest object in the sky after the S...
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Science essays / The Roswell Incident
I. Introduction A. Zeus B. American Indians C. Egyptians II. Background A. Time of the crash B. Witnesses 1. Mac Brazel 2. Sheriff George Wilcox 3. Roswell's 509th Bomb Squad 4. Initial recovery team III. Individual Testimonies A. Unnamed witness of Roswell recovery team B. Curry Hol...
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A paper by Bryan Togias Introduction The following paper is about the resumption of whaling by Norway with a focus on the American attitude towards whaling in general. Whaling is a very sensitive issue for many people, including myself. There are many people who feel t...
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Water is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. This essay will examine the water molecule in order to ascertain how it brought about Earth's thriving ecosystem and how important it is to us today. Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxyge...
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The importance of mining is definitely significant to Canada. Mining, is an important industry, and Canadians are very advanced in their mining technology, but during the mining process, there is certain level of pollution produced. The Canadian government and the mining companies have very good plans and controls toward this problem, while ensuring the sm...
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Research on animals is important in understanding diseases and developing ways to prevent them. The polio vaccine, kidney transplants, and heart surgery techniques have all been developed with the help of animal research. Through increased efforts by the scientific community, effective treatments for diabetes, diphtheria, and other diseases have been developed with animal testing. ...
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Research on animals is important in understanding diseases and developing ways to prevent them. The polio vaccine, kidney transplants, and heart surgery techniques have all been developed with the help of animal research. Through increased efforts by the scientific community, effective treatments for diabetes, diphtheria, and other diseases have been ...
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Science essays / The Human Genome Project
The Human Genome Project is a worldwide research effort with the goal of analyzing the structure of human DNA and determining the location of the estimated 100,000 human genes. The DNA of a set of model organisms will be studied to provide the information necessary for understanding the functioning of the human genome. The information gathered by the human genome project is expected to...
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Science essays / The History Of Radio
In 1844, Samuel Morse successfully demonstrated an invention known as the telegraph. The telegraph, which Morse invented in 1832, consisted of a current charged wire, location points (A and B), and a current breaker, which could be used to send dashes and dots. These dashes and dots could be successfully understood at the other end of the cable, thus introducing the world to Morse cod...
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Science essays / The Heart
INTRODUCTION In today's society, people are gaining medical knowledge at quite a fast pace. Treatments, cures, and vaccines for various diseases and disorders are being developed constantly, and yet, coronary heart disease remains the number one killer in the world. The media today concentrates intensely on drug and alcohol abuse, homicides, AIDS and so on. What a lot o...
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Science essays / The Greenhouse Effect
The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. ³The glass² lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our...
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Ed Schantz and his apprentice, Eric Johnson, work in a very strange field of science. They grow and Harvest the worlds strongest poison. It is, in their words, "six million times stronger than rattlesnake venom." The toxin is produced by a single-celled bacteria called Botulinum. The botilin poison produced by the bacteria causes a form of food poisoning called botulism...
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Only once in a lifetime will a new invention come about to touch every aspect of our lives. Such a device that changes the way we work, live, and play is a special one, indeed. The Microprocessor has been around since 1971 years, but in the last few years it has changed the American calculators to video games and computers (Givone 1). Many microprocessors have been m...
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Is it Right, or Wrong? Is genetic engineering right or wrong? That seems to be the newest question of biology. In some ways its right, but in some ways its wrong. Genetic Engineering can cure a lot of severe diseases. For a short list of examples; cancer and AIDS. They are some the worlds most severe diseases. Cancer alone kills millions and millions of people each year. A...
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Chances are, anyone who is reading this paper has at one time, at least surfed the net once. Broadcasting your views, questions, and information to millions of other people. The Internet has so many different features. It has chatrooms, which is a great place to meet new people. The Internet has several research sites available for school papers. The ...
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Marijuana has been illegal for years because of the thought that it was a drug similar to cocaine, or heroin. Drugs such as cocaine and heroin affect the neurotransmitter dopamine. Dopamine is the neurotransmitter associated with extremely pleasurable sensations. If a drug interferes with its production and causes too much to be produced the result is extremely pleasurable and can ...
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Science C.J. Stimson INTRODUCTION The topic of this paper is the human immunodeficiency virus, HIV, and whether or not mutations undergone by the virus allow it to survive in the immune system. The cost of treating all persons with AIDS in 1993 in the United States was $7.8 billion, and it is estimated that 20,000 new cases of AIDS are reported...
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[WR122 paper, using Jefferson's "Declaration of Independence" as a model]-RJ The Declaration of Language When, in the course of human language, it becomes necessary for people to create or redefine, words or phrases to express an object or an action; and to assume, among society, the acceptance and usage of these words and their definitions, in one's own languag...
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Science essays / The Cystic Fibrosis Gene
Introduction: Cystic fibrosis is an inherited autosomal recessive disease that exerts its main effects on the digestive system and the lungs. This disease is the most common genetic disorder amongst Caucasians. Cystic fibrosis affects about one in 2,500 people, with one in twenty five being a heterozygote. With the use of antibiotics, the life span of ...
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INTRODUCTION The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B.C. Hard water causes many problems in both in the household and in the industrial world...
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Science essays / The Brain
The human body is divided into many different parts called organs. All of the parts are controlled by an organ called the brain, which is located in the head. The brain weighs about 2.75 pounds, and has a whitish-pink appearance. The brain is made up of many cells, and is the control centre of the body. The brain flashes messages out to all the other parts of the body. The messag...
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Science essays / The Bermuda Triangle
Limbo of the Lost. The Twilight Zone. Hoodoo Sea. The Devil's Triangle. The vast three-sided segment of the Atlantic Ocean bordered by Bermuda, Puerto Rico and Fort Lauderdale, Florida, did not receive its most famous nickname until 1964, but reports of bizarre happenings there, or nearby, have been recorded for centuries. In fact, many claim that Christopher Columbus bore witness to ...
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Science essays / The Bengal Tiger
The Bengal tiger is a carnivorous, mammal primarily from India. It lives in habitats such as the coniferous Himalayan Forest, the mangroves of the Sunderbans, the hills of the Indian Peninsula, or the forests of Rajasthan and Northern India. At one time Bengal tigers were scattered throughout Asia. Now they are generally found in India and some regions of ...
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Science essays / The Arctic Circle
Ditions enclose roughly the same territory, which is somewhat larger than the region bounded by the Arctic Circle, and will be used as the basis for this article.The largest Arctic tundra areas are in Canada, Russia, Greenland (Kalatdlit-Nunat), Scandinavia, Iceland and Alaska.Climate and Land Formation Tundra climate is characterized by harsh winters, low average temperatures, little ...
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Science essays / The Age Of The Universe
INTRODUCTION: The goal of the project is to find the age of the universe according to the theory that there were equal amounts of the two uranium isotopes U235 and U238 at the time of the Big Bang. At present, there are 137.7 U238 atoms for each atom of U235. We know that the half-life of U235 is 0.71 billion years, and the half-life of U238 is 4.51 billion years, we used this i...
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Science essays / The African Lion
The lion is known as king of the jungle because of its huge size and ferocious appearance, the most common type of lion is the African lion. The African lion has the genus species Panthera (panther, leopard) leo (lion). Panthera leo has the common name lion and comes from the felidae family. Panthera leo is in the mammali class and has the order carnivora(Bush Gardens, 1996). Lio...
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Science essays / The 5 Kingdoms Of Life
MONERA The Monera Kingdom, though not often recognized by all people, has a profound effect on all of our lives. Its cell structure is simple, containing one or a colony of cells. It has no nucleus, no organelles, a cell membrane, and only certain members of the kingdom have a cell wall. They most often obtain food by photosynthesis or feeding off another dead organism. It can move...
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Science essays / Techtonic Plates
Lab Report The structure of the earth is made up of many layers, but the crust and the upper mantle make up the lithosphere. The lithosphere is divided into individual sections called plates. The rest of the mantle makes up the asthenosphere. Convection in asthenosphere causes the plates to shift and move about. We can tell where the plates are or hav...
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Science essays / Survival Of The Stingray
Imagine yourself 150,000 years in the future. Another ice age is in full force. Temperatures are much colder, vegetation has ceased to exist, along with several entire animal species. The lion, once the king of the jungle, is no more than an alley cat scavenging for food. The great white shark- reduced to the size of goldfish. A new predator is on the prowl. The stingr...
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Survey of Wireless Computing School Of Computer Science Florida International University Abstract Wireless technology can provide many benefits to computing including faster response to queries, reduced time spent on paperwork, increased online time for users, just-in-time and real time control, tighter communications betwee...
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Science essays / Steroids
Muscle enhancers are exactly what they say they are. They are dietary supplements and drugs that increase mass and build muscle bigger and faster. There really is no reason for muscle enhancers to be fake. They work for almost all people. However it's not whether or not they work you should be worried about as much as the side affects of them. The most well known side affects are ...
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Science essays / Sputnik
Sputnik, name of the first of several artificial satellites launched by the Soviet Union from 1957 to 1961. The goals of the Sputnik program included studying the earth's upper atmosphere, observing animal survival in space flight, and testing Soviet rocket technology. The launch of the unmanned Sputnik 1 and of Sputnik 2, which carried a dog, spurred the United States to invest more m...
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Science essays / Solar Power II
Solar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use today. They do not pollute the atmosphere and they leave behind no harmful waste products. Photovoltaic cells work effectively even in cloudy weather and unlike solar heaters, ar...
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Science essays / Solar Power
About 47 per cent of the energy that the sun releases to the earth actually reaches the ground. About a third is reflected directly back into space by the atmosphere. The time in which solar energy is available, is also the time we least need it least - daytime. Because the sun's energy cannot be stored for use another time, we need to convert the suns energy into an ener...
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Software license agreements emerged as the most popular means of protection of proprietary rights in computer software. They coexist with other forms of intellectual property rights as patent and copyright. Software license agreements serve several functions in transactions involving the transfer of computer technology. One of the most important legal functions is the protection of ...
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Science essays / Software Licensing
In 1993 worldwide illegal copying of domestic and international software cost $12.5 billion to the software industry, with a loss of $2.2 billion in the United States alone. Estimates show that over 40 percent of U.S. software company revenues are generated overseas, yet nearly 85 percent of the software industry's piracy losses occurred outside of the United States borders. The Softwa...
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Sociologists have embraced what is known as the comparative method as the most efficient way to expose taken-for-granted 'truths' or laws that people have adopted. But what is this comparative method and how does it work? Are there any advantages/disadvantages to exposing these false 'truths'. What forms or variations of the comparative method exist? In the pages to fo...
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April 29, 1996 Social and Political Reactions to Polygamy "We are a peculiar people," Elder Bruce R. McConkie once said (McConkie 25). The Church of Jesus Christ of Latter-day Saints is one of a few "odd" Christian religions. Many of its practices have created much persecution and political reaction, polygamy being one of these. It created much social and ...
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Science essays / Skyscrapers
Picture in your mind the skyline of downtown Toronto. There's the CN Tower, of course, and the 72-floor First Canadian Place, the city's tallest skyscraper. Cascading from there are the assorted banks and hotels and insurance towers. Now, use your imagination to construct some new buildings, these ones reaching three, four and five times higher than the others. Top it all off with...
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Simeon Poisson's most important works were a series of papers on definite integrals and his advances in Fourier series. Originally forced to study medicine, Poisson began to study mathematics in 1798 at the Ecole Polytechnique. His teachers Laplace and Lagrange were to become friends for life. A memoir on finite differences, written when Poisson was 18, attracted the attention of Leg...
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Science essays / Semiconductors
Silicon is the raw material most often used in integrated circuit (IC) fabrication. It is the second most abundant substance on the earth. It is extracted from rocks and common beach sand and put through an exhaustive purification process. In this form, silicon is the purist industrial substance that man produces, with impurities comprising less than one part in a billion. That is ...
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Science essays / Saw Wheat Owl
The saw whet is rarely heard at night, unless it is during mating season. During it's mating season it can be heard easily from the woods. It's breeding season in between March and April. Usually the nest in is a hollow tree. Decayed wood fibre matted with owl's feathers is supplemented with a small quantity of soft, dry grass. The number of eggs laid is usually between 4-7.Laying begi...
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Science essays / Satellites
Satellites orbit the earth doing our bidding in ways that enrich the lives of almost all of us. Through electronic eyes from hundreds of miles overhead, they lead prospectors to mineral deposits invisble on earth's surface. Relaying communications at the speed of light, they shrink the planet until its most distant people are only a split s...
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Science essays / Robotics
Two years ago, the Chrysler corporation completely gutted its Windsor, Ontario, car assembly plant and within six weeks had installed an entirely new factory inside the building. It was a marvel of engineering. When it came time to go to work, a whole new work force marched onto the assembly line. There on opening day was a crew of 150 industrial robots. Industrial robots don't loo...
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Science essays / Reptiles
Reptiles are vertebrate, or backboned animals constituting the class Reptilia and are characterized by a combination of features, none of which alone could separate all reptiles from all other animals. The characteristics of reptiles are numerous, therefore can not be explained in great detail in this report. In no special order, the characteristics of reptiles are: col...
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Science essays / Reproduction
For some time she had watched his movements, appearing coyly in his haunts. And now, had it paid off? Doubtless, he was in love. His muscles were taut; he swooped through the air more like an eagle than a Greylag gander. The only problem was, it was not for her that he then landed in a flurry of quacks and wingbeats, or for her that he dashed off surprise attacks on his fellows. I...
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Science essays / Reforestation
The purpose of this written report is to inform the reader about the concerns and facts involved with reforestation. Reforestation began in Ontario after World War II. What happened was, professional foresters were assigned to an area and became responsible for its well being. Under the Crown Timber Act, long term management was prepared. Then the many steps needed to rebuild a for...
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Science essays / Rasmussens Encephalitis
The human immune system is an amazing system that is constantly on the alert protecting us from sicknesses. Thousands of white blood cells travel in our circulatory system destroying all foreign substances that could cause harm to our body or to any of the millions of processes going on inside. Now imagine a condition where this awesome system turns against the most comple...
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Science essays / Prosthetics
Introduction Prosthetics is the branch of surgery dealing with mechanical devices used to reproduce the form and function of missing body parts. Prosthetics is the replacement of faulty or amputated body parts with artificial body parts. Artificial limbs have been in use since at least 300 BC. In AD 1509 German knight, Götz von Berlichingen, called Götz of the Iron Hand, wor...
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Science essays / Polymers
Polymers are large molecules composed of smaller molecules called monomers. Monomers are produced and either grow together or are assembled to produce a single polymer. There are synthetic and natural polymers. Some examples of natural polymers would be wood, starches, fingernails, and hair. Synthetic polymers are usually referred to as plastics. Petroleum, is the primary monomer...
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Science essays / Pluto
Pluto repeats an anomaly when compared with the terrestrial planets (Mercury, Venus, the Earth and Mars) or the giant planets (Jupiter, Saturn, Uranus and Neptune). This icy world is more like a huge asteroid or the satellites of the outer planets; it has even been suggested that Pluto was a satellite that escaped from Neptune's pull. The small size of Pluto combined with its dist...
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Micheal Pollan's "Playing God in the Garden" addresses the many unseen aspects of farming and the technologies that are being designed to make planting effortless and safe. Pollan discusses how New Leaf (the plant company which has created the new biotechnological seeds) advertises a safer and less expensive way of farming, while concealing the harmful aspects of its product. ...
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Phosphates may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are acid salts. Secondary and tertiary phosphates, with the exceptio...
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Science essays / Physics Relevance
By [email protected] One aspect of physics in my life is gravity. Whenever I loose my balance, whether I'm on a bike, walking, or trying to stand on one leg, I will fall down. This is because every mass is attracted to every other mass, so my body is attracted to the earth, and the earth is attracted to my body, only not as much, because my body has a much smaller mass than t...
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Science essays / Penguins
Myopic little men in tuxedos, or highly efficient land/water animals? Recent research indicates there's more to penguins than meets the eye. If you've every wondered what it would be like to be able to see as clearly under water as you can on land, just ask the nearest penguin.Most aquatic animals are short-sighted on land. Most terrestrial animals (and that includes us) are far-sig...
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Science essays / Ovarian Cancer
Of all gynecologic malignancies, ovarian cancer continues to have the highest mortality and is the most difficult to diagnose. In the United States female population, ovarian cancer ranks fifth in absolute mortality among cancer related deaths (13,000/yr). In most reported cases, ovarian cancer, when first diagnosed is in stages III or IV in about 60 to 70% of patients ...
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Science essays / Organism Adaptations
1)stimulus: a change in the environment that necessities a response, or adjustment by an organism (ex. swirling dust) response: the adjustment or change you make to a stimulus (ex. blinking your eyes) 2)Protists respond to a negative stimuli by moving away from it. Protists respond to: light, irritating chemicals, temperature, touch, etc. 3)Yes, they grow towards the stimulus (ex. ligh...
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Science essays / Order Odonata
The order Odonata is divided into three suborders: The Zygoptera, or damselflies, which can fold their wings over their abdomen, the Anisoptera or Dragonflies which can't, and thus hold their wings straight out from their thorax, and the Anisozygoptera, an ancient suborder possible once containing the seeds of both the other 2 more modern suborders but now containing only two species f...
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Science essays / Operating Systems
What is Operating System? An operating system is a program that acts an intermediary between a user of a computer and the computer hardware. The purpose of an operating system is to provide an environment in which a user can execute programs. The main purpose of an operating is to make the computer system convenient to use and user can the computer hardware in an efficient manner. ...
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Science essays / Nuclear Waste
Radioactive wastes, must for the protection of mankind be stored or disposed in such a manner that isolation from the biosphere is assured until they have decayed to innocuous levels. If this is not done, the world could face severe physical problems to living species living on this planet. Some atoms can disintegrate spontaneously. As they do, they emit ionizing radiation. Atoms havin...
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Nitrates contamination of the world's underground water supply poses as a potentially serious health hazard to the human inhabitants on earth. High nitrate levels found in well water has been proven to be the cause for numerous health conditions across the globe. If we intend to provide for the future survival of man, and life on planet earth, we must take action now t...
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Science essays / Newtonian Absolute Space
When Newton proposed his axioms describing fundamental laws of physics, he insisted on the necessity of absolute space to a completed theory of mechanics. Absolute space can be best described as not-relationally-dependent space. Newton purports that there is something more to space than just being a vessel to conceptualize positional differences between specific bodies; he claims tha...
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Science essays / Nanotechnology
Curtis Shephard Nanotechnology: Immortality or total annihilation? Technology has evolved from ideals once seen as unbelievable to common everyday instruments. Computers that used to occupy an entire room are now the size of notebooks. The human race has always pushed for technological advances working at the most efficient level, perhaps, the molecular level. The ...
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Science essays / Muscular System
Do you think muscles are important? Do you have an idea of what they are made of? Well, here is some food for thought: your muscles make up forty percent of your body weight. If you like that interesting fact maybe you'll learn some more. The muscular system has three main types of muscles. These are: smooth, skeletal and cardiac muscles. Your smooth muscles are what line...
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Science essays / Morse Code
The Alphabet is: A .- B -... C -.-. D -.. E . F ..-. G --. H .... I .. J .--- K -.- L .-.. M -- N -. O --- P .--. Q --.- R .-. S ... T - U ..- V ...- W .-- X -..- Y -.-- Z --.. 1 .---- 2 ..--- 3 ...-- 4 ....- 5 ..... 6 -.... 7 --... 8 ---.. 9 ----. 0 ----- There you have it! There are also puncuation marks but not included here. I History, the morse code was first transmitted from one...
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Science essays / Mitosis
Mitosis is the process of asexual reproduction. Humans use meosis which is a process of sexual reproduction.Mitosis is the process of asexual reproduction. Humans use meosis which is a process of sexual reproduction.Mitosis is the process of asexual reproduction. Humans use meosis which is a process of sexual rMitosis is the process of asexual reproduction. Humans use meosis which is a...
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Science essays / Mining In Sapce
On December 10, 1986 the Greater New York Section of the American Institute of Aeronautics and Astronautics (AIAA) and the engineering section of the New York Academy of Sciences jointly presented a program on mining the planets. Speakers were Greg Maryniak of the Space Studies Institute (SSI) and Dr. Carl Peterson of the Mining and Excavation Re...
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Science essays / Military Aircraft
Thesis: Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. Military aircraft has become more sophisticated in variety, effectiveness in war situations, and special maneuvering techniques in recent years. With the advance of stealth technology, many new and very effective ai...
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Science essays / Migraines
Migraine headaches are the result of a disturbance in the neurochemistry of the central nervous system. They are relatively common, affecting three times as many women as men. Migraine sufferers typically report a definite pattern to their headaches, and they can report what stimuli bring them on. Most migraine sufferers experience their first attack before the age of 20. There is no s...
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Science essays / Microwaves
You might remember the heroic role that newly-invented radar played in the Second World War. People hailed it then as "Our Miracle Ally". But even in its earliest years, as it was helping win the war, radar proved to be more than an expert enemy locator. Radar technicians, doodling away in their idle moments, found that they could focus a radar beam on a marshmallow and toast i...
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Science essays / Microsurgery
A man came into the emergency ward at one o'clock. His thumb came in an hour later. The surgeon's job: get them back together. The successful re-attaching of fingers to hand requires long hours of painstaking work in microsurgery. In the operating room , the surgeon doesn't stand, but sits in a chair that supports her body. Her arm is cradled by a pillow. Scalpels are present a...

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