0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
68
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Diamonds can be shattered with a hammer.
-104