The storage capacity of human brain exceeds 4 Terrabytes.
140
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In zero gravity, a candle's flame is round and blue.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The only letter not appearing on the Periodic Table is the letter "J".
180
The average temperature at 40,000 feet above sea level is -60 F.
56
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38