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Search results 9571 - 9580 of 14240 matching essays
- 9571: The Human Brain
- ... from radioactive elements which have been injected into the bloodstream. When the positrons and the electrons collide, they give off energy which is recorded by a computer. The result is a far more detailed 3-D picture of the brain than the one obtained from the CAT machine. To obtain an even better image, physicians use the MRI, which stands for Magnetic Resonance Spectroscopy. With these three processes combined, every structure ...
- 9572: What is Angina? And What is the Cure?
- ... nitrates, derivatives of nitroglycerine. They include nitroglycerine, isosorbide, and similar agents. Newer forms include long acting oral agents, plus skin patches which release a small amount through the skin into the bloodstream over a full day. They act by reducing the burden of blood returning to the heart from the veins and also by dilating the coronary arteries themselves. Nitrates are highly effective for relief and prevention of angina, and sometimes ...
- 9573: James Watt
- ... paid off Watts £1000 debt and allowed James to continue his costly experiments. In return the patent declared that Roebuck was two-thirds the inventor of the new improved steam engine. On the very day that Watt obtained his first patent, January 5th 1769, Arkwright got a patent for his Spinning-Frame. James Watt successfully had the new steam engine put in his name in conjunction with Dr. Roebuck. His ...
- 9574: Medicine: "Microsurgery: Sew Small"
- ... one good vein can be reattached. Not only is micro surgery allowing body parts to be reattached, it's also allowing them to be reshuffled. Before 1969, nothing could be done for you if you'd had your thumb smashed beyond repair. But in the past 14 years, you would have been in luck, if your feet were intact. Every year in North America, hundreds of big toes are removed from ...
- 9575: Janet Jackson
- ... and all those things that I always to managed to push aside I tried to get rid of them [the depressed feelings] Because that's how I dealt with it: Everything that hurt me I'd laugh about, and keep going. But after a while, that just didn't work anymore." Janet is proud that she has overcome most of the problems and is positive about the future. She states, "It ...
- 9576: Bronchitis
- ... and possibly back pains. This is soon followed by the obvious persistent cough. At first the cough is dry and racking and eventually becomes phlegmy. The persistent cough is worse at night than during the day, and when the person breathes in smoke and fumes. The main symptoms most recognized in chronic bronchitis is, again, a cough, with sputum, often occurring in paroxysms. Other symptoms in chronic bronchitis are dependant on ...
- 9577: Jesse Louis Jackson
- ... of 4 8 Cuban and Cuban-American prisoners in 1987. He was the first to bring hostages out of Kuwait and Iraq in 1990. In 1990, Jackson was elected the U.S. Senator of Washington, D.C., a position also known as "Statehood Shadow Senator" since the District of Columbia has no voting representatives in Congress. From humble beginnings came Rev. Jesse Louis Jackson, somebody known by the nation and the ...
- 9578: Smoking: I Can Stop Whenever I Want
- ... smoking. First of all, as you all know, ciggarette smoking turns your teeth yellow so you can forget about those perfect teeth with the crest smile. The second consequence is, smoking costs around 4 $ a day for a normal smoker which comes up to 2500 $ per year, think what you could do with all that money. And the most common and harmful consequence of smoking is, lung and mouth cancer. Think ...
- 9579: Jessie James
- ... Yankees". Thus, Jesse James, along with Frank, his cousins Bob, Cole, and Jim Younger, and about seven other ex-confederate soldiers, turned to crime. The "James" gang committed their first robbery on a cold February day in 1866. The gang masqueraded in Union Army issued uniforms and entered the bank in Liberty, Missouri. Minutes later, shots were fired and the gang left town with over $60,000 in currency, government bonds ...
- 9580: Johann Sabastian Bach
- ... in Europe - in fact, he toured regularly as a solo virtuoso - and his growing mastery of compositional forms, like the fugue and the canon, was already attracting interest from the musical establishment - which, in his day, was the Lutheran church. But, like many individuals of uncommon talent, he was never very good at playing the political game, and therefore suffered periodic setbacks in his career. He was passed over for a ...
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