By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
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Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
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Every day, the average person swallows about a quart of mucous.
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There's 100 trillion good bacteria living in your body.
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The average sperm cell swims at 8 inches per hour.
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It takes 17 muscles to smile, 43 to frown.
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Children are poisoned most frequently by eating harmful plants.
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Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
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