It's impossible to kill yourself by holding your breath.
703
You can start a fire with ice.
367
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
7
80% of millionaires drive used cars.
68
There are 635,013,559,599 possible hands in a game of bridge.
39
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
97% of all paper money in the US contains traces of cocaine.
93