Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The bark of an older redwood tree is fireproof.
65
No matter how cold it gets, gasoline will not freeze.
107
Hot water can freeze faster than cold water.
181
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24