The world's shortest man measures only 21.5 inches.
73
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
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
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Tigers can see 6 times better at night than humans.
305
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111