Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
Out of all the senses, smell is most closely linked to memory.
146
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Most dust particles in your house are made from dead skin!
67
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310