The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
There are 53 Lego bricks manufactured for each person in the world.
83
Pollen can travel up to 500 miles in a day.
40
To get a song out of your head, try doing something like a puzzle or Sudoku.
13


