The human body contains over a billion miles of DNA.
147
Pain occurs when sounds are above 130 db.
123
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
On average, there's 100 billion neurons in the human brain.
83
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human eye blinks an average of 4,200,000 times a year.
233
Yawns are more contagious among people with closer relationships.
163