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
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
Speed dating was invented by a Rabbi in 1999.
45
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6