The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A cesium atom in an atomic clock beats over nine billion times a second.
43
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Iron weighs more after it rusts.
68
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One barrel of petroleum holds 42 gallons.
20