A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
‘Tree shaping’ is the art of growing trees and roots into things like bridges, chairs, “people trees”, ladders, fences, jungle gyms, tunnels, and, theoretically, could even be used to grow homes.
3
During his or her lifetime, the average human will grow 590 miles of hair.
69
It's impossible to kill yourself by holding your breath.
22
Babies are born without knee caps.
78
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
More than 10% of the world's salt is used to de-ice American roads.
54
There is one slot machine in Las Vegas for every eight inhabitants.
58