In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
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
For every gallon of sea water, you get more than a quarter pound of salt.
45
If the chemical sodium is dropped into water it will immediately and violently explode.
67
According to studies, men change their minds two to three times more often than women.
72
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38