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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5