Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Balsa wood is classified as a hard wood!
41
Pure water (H2O) does not conduct electricity on its own.
46
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
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
No matter how cold it gets, gasoline will not freeze.
107
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310