Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Iron weighs more after it rusts.
68
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound at the right vibration can bore holes through a solid object.
134
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7