Scientists in Germany have developed a candy that doesn't cause cavities.
11
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Most dust particles in your house come from dead skin.
48
The force of a suction cup is calculated using F=AP.
15
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
If the chemical sodium is dropped into water it will immediately and violently explode.
67