Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
According to studies, men change their minds two to three times more often than women.
72
Aluminum used to be more valuable than gold!
84
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
Pure water (H2O) does not conduct electricity on its own.
46