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When dinosaur bones were first found they thought that they belonged to giant lizards. The word "dinosaur" came from the Greek words deinos, meaning 'marvelous' or 'terrible,' and sauros, meaning 'lizard.' The larger dinosaurs must have seemed to be terrible to the smaller animals. Some of the first dinosaurs were only about as big as a small...
Simeon Poisson - Biography 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 o...
EUTHANASIA A critical analysis. is a controversial subject, not only because there are many different moral dilemmas associated with it, but also in what constitutes its definition. At the extreme ends of disagreement, advocates say euthanasia (which in Greek means "easy death") is a good, or merciful, death. Opponents of euthan...
Introduction Computers affect the lives of nearly everyone living today. No matter where it is that someone calls their home; there is almost a certainty that they have some sort of daily interaction with computers or some kind of computer driven device. Every morning, millions of people of every field imaginable go off to work and start u...
Depression is a psychiatric disorder characterized by feelings of worthlessness, guilt, sadness, helplessness, and hopelessness. It is different then normal sadness or grief from the loss of a loved one because it is persistent and severe. Clinical depression has many related symptoms trouble sleeping, eating disorders, withdrawal and inactivit...
Can you get the health benefits of wine without the alcohol? Red wine is making a lot of news lately for its positive benefits on heart health. Doctors believe it may even be responsible for the so-called French paradox -- people in France eat high-fat diets, but have lower rates of heart disease than Americans do. One reason red wine seems...
Arguementative Environment Currently, a controversy is swirling over the issues raised by the despoiling of the world's natural environment. Poet Stanley Kunitz in "The War Against the Trees" depicts a man watching his neighbor, "who sold his lawn to standard oil" (Kunitz 122), laugh as bulldozers ruin the natural beauty of the grounds with...
Introduction: Ballard Power System is the world leader in developing and commercializing proton exchange membrane fuel cell power systems. At the heart of this corporation is the Ballard , a propriety zero-emission engine that converts natural gas, methanol, or hydrogen fuel directly into electricity without combustion. Over the last several...
Cardiac Pacemakers The heart is bestowed with a specialized system that automatically generates rhythmic control via the sinus node, located in the superior lateral wall of the right atrium near the opening of the superior vena cava. The specialized pacemaker cells dictate control of the rest of the heart through regular electrical impuls...
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...
Reaching the Breaking Point Have you ever heard a heterosexual talking about a homosexual, saying things like 'Jake would be a cool guy if he wasn't such a flamer' or 'I don't have a problem with gays, but I just want to know why he has to act so gay'? Perhaps you have even said something similar yourself. Unfortunately the catalyst of t...
CD:ROM drives are the thing of the future. CD:ROMs are used in almost every computer around the world. CD:ROM stands for COMPACT DISK READ ONLY MEMORY. That means that you can only read information off the disk. Three and a half disks are disks that you can read and wriye infromation from. Five and a quarter can do the same thing , but do no...
For about 50 years, antibiotics have been the answer to many bacterial infections. Antibiotics are chemical substances that are secreted by living things. Doctors prescribed these medicines to cure many diseases. During World War II, it treated one of the biggest killers during wartime - infected wounds. It was the beginning of the antibiot...
As nations around the globe enter the 21st century, one of the most pressing concerns facing each is the notion of sustainable development. Sustainable development, simply put, refers to maintaining a rate of industrialization which minimizes the destruction of the environment. And while issues such as the price and accessibility of crude oil...
