The human brain uses approximately as much energy as a 10 watt light bulb.
120
A man's beard grows fastest when he anticipates sex.
239
It takes about 20 seconds for a red blood cell to circle the whole body.
102
In one day, adult lungs move about 10,000 litres of air.
11
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.
35
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82