Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Billions of neutrinos pass unnoticed through your body every second.
6
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
68
Each day, up to 150 species of life become extinct.
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