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
There was once an undersea post office in the Bahamas.
241
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
More than 50% of Americans fall asleep on their sides.
86
It's impossible to kill yourself by holding your breath.
22
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13