The force of a suction cup is calculated using F=AP.
15
Your brain is 80% water.
525
Aluminum used to be more valuable than gold!
84
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In zero gravity, a candle's flame is round and blue.
16
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
A cesium atom in an atomic clock beats over nine billion times a second.
43