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
In Japan, condoms are commonly sold 'door to door'!
54
Sex burns about 360 calories per hour.
861
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Only 1 person in 2 billion will live to be 116.
49
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5