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The average office desk has 400 times more bacteria on it than a toilet.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.