Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
According to studies, men change their minds two to three times more often than women.
72
Iron weighs more after it rusts.
16
The force of a suction cup is calculated using F=AP.
15
A cubic yard of air weighs about 2 pounds at sea level.
31
Each day, up to 150 species of life become extinct.
-23
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