Your heart will pump about 212 million liters in its lifetime.
26
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
You see your nose at all times, your brain just chooses to ignore it.
30
One human hair can support 3 ounces.
191
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
