In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
According to studies, men change their minds two to three times more often than women.
72
No matter how cold it gets, gasoline will not freeze.
107
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One cubic foot of gold weighs more than 1,200 pounds!
78
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9