The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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To get a song out of your head, try doing something like a puzzle or Sudoku.
13
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
A quarter has 119 grooves on its edge, a dime has one less groove!
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There are more than 10 million bricks in the Empire State Building!
75
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
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