Sound travels about 4 times faster in water than in air.
408
Pumice is the only rock that floats on water.
14
Diamonds can be shattered with a hammer.
-104
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
A cesium atom in an atomic clock beats over nine billion times a second.
43