Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Diamonds can be shattered with a hammer.
-104
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39