In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The sun is 330,330 times larger than the earth.
75
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound at the right vibration can bore holes through a solid object.
134
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55