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Author Question: Evolutionary psychologists have observed that a. prosocial behavior is rare among non-human ... (Read 65 times) |
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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The longest a person has survived after a heart transplant is 24 years.
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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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In 1864, the first barbiturate (barbituric acid) was synthesized.