The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
German chemists made a replica of a trophy the size of one molecule.
68
The force of a suction cup is calculated using F=AP.
15
The only letter not appearing on the Periodic Table is the letter "J".
180