Kleenex tissues were originally used as filters in gas masks.
46
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Jumbo jets use 4,000 gallons of fuel to take off.
19
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
