One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Babies crawl an average of 200m a day.
212
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
Pain occurs when sounds are above 130 db.
124
Human hair and fingernails continue to grow after death.
7