Pumice is the only rock that floats on water.
14
Diamonds can be shattered with a hammer.
-104
Nylon is made from coal and petroleum.
42
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
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
The average temperature at 40,000 feet above sea level is -60 F.
56