The most children born to one woman was 69, she was a peasant who lived a 40 year life, in which she had 16 twins, 7 triplets, and 4 quadruplets.
852
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
Most of the dust underneath your bed is actually your own dead skin.
251
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.
14
In many countries, urine was used as a detergent for washing.
17
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240