Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The force of a suction cup is calculated using F=AP.
15
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
For every gallon of sea water, you get more than a quarter pound of salt.
45
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels about 4 times faster in water than in air.
408
Nearly 50% of the world's scientists are assigned to military projects.
71