A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Pumice is the only rock that floats on water.
14
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The storage capacity of human brain exceeds 4 Terrabytes.
140
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Pure water (H2O) does not conduct electricity on its own.
46