A cesium atom in an atomic clock beats over nine billion times a second.
43
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Cold water weighs more than hot water.
93
Diamonds can be shattered with a hammer.
-104
No matter how cold it gets, gasoline will not freeze.
107
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
One barrel of petroleum holds 42 gallons.
20
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6