Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Iron weighs more after it rusts.
68
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
According to studies, men change their minds two to three times more often than women.
72
Your brain is 80% water.
525