Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
In zero gravity, a candle's flame is round and blue.
16
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The bark of an older redwood tree is fireproof.
65
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Aluminum used to be more valuable than gold!
84