By weight, Bone is five times stronger than steel.
417
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Human hair and fingernails continue to grow after death.
7
The human brain is more active during sleep than during the day.
28
All 13 minerals necessary for human life can be found in alcohol beverages.
282
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Only humans shed emotional tears.
331
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111