For every gallon of sea water, you get more than a quarter pound of salt.
45
In zero gravity, a candle's flame is round and blue.
16
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists in Germany have developed a candy that doesn't cause cavities.
11
4.5 pounds of sunlight strike the Earth each day.
27
The force of a suction cup is calculated using F=AP.
15