By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
Pollen can travel up to 500 miles in a day.
40
If you're one in a million, there are about 7,234 people just like you.
31
Bamboo plants can grow up to 36 inches in a day.
52
Couples' personalities converge over time to make partners more and more similar.
235
The first household refrigerators cost about $16,000, in today's money!
47