Tae Kwon Do is only around 60 years old.
64
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
80% of millionaires drive used cars.
68
There are 53 Lego bricks manufactured for each person in the world.
83

