The sun is 330,330 times larger than the earth.
75
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
For every gallon of sea water, you get more than a quarter pound of salt.
45
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Iron weighs more after it rusts.
68
Sound travels fifteen times faster through steel than through air.
134
Research indicates that plants grow healthier when they are stroked.
173