The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Coins usually survive in circulation for about 30 years.
66
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
There are 2,500,000 rivets in the Eiffel Tower.
98
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19