The only letter not appearing on the Periodic Table is the letter "J".
180
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
In zero gravity, a candle's flame is round and blue.
16
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels fifteen times faster through steel than through air.
134
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7