Balsa wood is classified as a hard wood!
41
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nearly 50% of the world's scientists are assigned to military projects.
71
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
No matter how cold it gets, gasoline will not freeze.
107