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Author Question: To find out how children's drawing skills improve with age, a researcher asks 50 four-year-olds to ... (Read 32 times) |
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.