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
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310