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Author Question: The oldest known stone artifacts are A. 3 to 5 million years old. B. 2 to 2.9 million years old. ... (Read 546 times) |
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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Medication errors are three times higher among children and infants than with adults.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn
The basalt below the hominins is dated to 1.8 million years ago, and the geomagnetic polarity of the