Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Billions of neutrinos pass unnoticed through your body every second.
6
Nearly 50% of the world's scientists are assigned to military projects.
71
Liquid TIDE laundry detergent glows under a blacklight.
96
One barrel of petroleum holds 42 gallons.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5