It's impossible to kill yourself by holding your breath.
22
Cash machines are as dirty as public toilets.
174
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
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
The first household refrigerators cost about $16,000, in today's money!
47
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20