A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Oak trees can live 200 or more years.
61
There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them!
174
If you get water flowing fast enough, it can cut metal.
354
SONY was originally called 'Totsuken'.
70