For every gallon of sea water, you get more than a quarter pound of salt.
45
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A cesium atom in an atomic clock beats over nine billion times a second.
43
One third of the electricity produced on earth is used to power electric light bulbs!
75
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17