The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists in Germany have developed a candy that doesn't cause cavities.
11
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12