One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Your brain is 80% water.
525
The average home creates more pollution than does the average car.
33
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nylon is made from coal and petroleum.
42
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17