0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Your brain is 80% water.
525
A ball of glass will bounce higher than a ball made of rubber.
73
The sun is 330,330 times larger than the earth.
75
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
16
The only letter not appearing on the Periodic Table is the letter "J".
180