A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Iron weighs more after it rusts.
16
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5