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Your heart beats over 36 million times a year.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.