Sound travels about 4 times faster in water than in air.
408
Scientists in Germany have developed a candy that doesn't cause cavities.
11
German chemists made a replica of a trophy the size of one molecule.
68
Indoor pollution is 10 times more toxic than outdoor pollution.
62
No matter how cold it gets, gasoline will not freeze.
107
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Cold water weighs more than hot water.
93
Sound at the right vibration can bore holes through a solid object.
134