Sound travels fifteen times faster through steel than through air.
134
In zero gravity, a candle's flame is round and blue.
16
The only letter not appearing on the Periodic Table is the letter "J".
180
Nearly 50% of the world's scientists are assigned to military projects.
71
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists in Germany have developed a candy that doesn't cause cavities.
11
No matter how cold it gets, gasoline will not freeze.
107
According to studies, men change their minds two to three times more often than women.
72