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
The bark of an older redwood tree is fireproof.
65
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Iron weighs more after it rusts.
68
German chemists made a replica of a trophy the size of one molecule.
68
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
In zero gravity, a candle's flame is round and blue.
16