Pumice is the only rock that floats on water.
14
Sound at the right vibration can bore holes through a solid object.
134
Iron weighs more after it rusts.
16
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
For every gallon of sea water, you get more than a quarter pound of salt.
45
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17