All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
A human being loses an average of 40 to 100 strands of hair a day.
133
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
In 1996, research found that having excessive body hair is linked to higher intelligence.
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