Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Enamel is hardest substance in the human body.
61
On average, there's 100 billion neurons in the human brain.
83
Early American humans hunted car-size armadillos and used their shells for houses.
12
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
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The world's shortest man measures only 21.5 inches.
73