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Author Question: The Upper Paleolithic a. began at the onset of the Pleistocene. b. is a cultural period ... (Read 168 times) |
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Thyroid conditions may make getting pregnant impossible.
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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.