During his or her lifetime, the average human will grow 590 miles of hair.
69
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
You share your birthday with at least 9 million other people in the world.
205
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
Passengers on the Beijing subway can pay with plastic bottles.
29
More than 50% of Americans fall asleep on their sides.
86
Daydreamers are better at solving complex problems.
28
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24