It's impossible to sink in the Dead Sea without equipment!
72
The yin-yang pattern's earliest use is in Rome - not China!
125
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
The symbol on the 'pound' key (#) is called an octothorpe.
82
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
There are 86,400 seconds in a day.
110