The average office desk has 400 times more bacteria on it than a toilet.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Wave Properties
Average Pulse Rates by Age
How to find the average value of a function (Part 2)
U.S. Subsurface Coal Mining: Output, Price, and Output per Worker-Hour, 1949–1994