A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The force of a suction cup is calculated using F=AP.
15
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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