Your brain is 80% water.
525
No matter how cold it gets, gasoline will not freeze.
107
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Iron weighs more after it rusts.
16
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Hot water can freeze faster than cold water.
181
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89