The average adult has about 21 square feet of skin.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Brain mass as a function of body mass in mammals.
The acetic acid–acetate pair as a buffer system
Brain
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.