At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
The number of births that occur in India each year is higher than the entire population of Australia.
66
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
There is one slot machine in Las Vegas for every eight inhabitants.
58
There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
14