The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
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Speed dating was invented by a Rabbi in 1999.
45
Most of the dust underneath your bed is actually your own dead skin.
251
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
The strangers in your dreams are actually people that you've seen in real life.
50
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Passengers on the Beijing subway can pay with plastic bottles.
29