Human hair and fingernails continue to grow after death.
7
The human body contains over a billion miles of DNA.
147
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34