Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Pure water (H2O) does not conduct electricity on its own.
46
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Hot water can freeze faster than cold water.
181
Balsa wood is classified as a hard wood!
41
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Iron weighs more after it rusts.
16