A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
25% of your bones are located in your feet.
12
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Pain travels through the body at 350 feet per second!
23
When your face blushes, the lining of your stomach turns red, too.
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Your body is creating and killing about 2.4 million red blood cells per second.
17
Our eyes are always the same size from birth, but our nose and ears never stop growing.
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