The earth is approx. 6,588,000,000,000,000,000 tons.
175
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Hot water can freeze faster than cold water.
181
Pumice is the only rock that floats on water.
14