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Author Question: If an object has a 240 clockwise rotation as one of its symmetries, then it must also have as a symmetry (Read 2325 times) |
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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The longest a person has survived after a heart transplant is 24 years.
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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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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.