Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Iron weighs more after it rusts.
68
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Your brain is 80% water.
525
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Pumice is the only rock that floats on water.
14