Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One third of the electricity produced on earth is used to power electric light bulbs!
75
A cesium atom in an atomic clock beats over nine billion times a second.
43
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Iron weighs more after it rusts.
68
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11