Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
No matter how cold it gets, gasoline will not freeze.
107
Balsa wood is classified as a hard wood!
41
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Nearly 50% of the world's scientists are assigned to military projects.
71
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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