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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 3970 times) |
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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Illicit drug use costs the United States approximately $181 billion every year.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Asthma cases in Americans are about 75% higher today than they were in 1980.