Nylon is made from coal and petroleum.
42
The storage capacity of human brain exceeds 4 Terrabytes.
140
A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
68
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