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Author Question: Ducks pair up _____ . a. during migration south b. during migration north c. on their ... (Read 41 times) |
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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There are more sensory neurons in the tongue than in any other part of the body.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.