Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Sound travels fifteen times faster through steel than through air.
134
The bark of an older redwood tree is fireproof.
65
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Balsa wood is classified as a hard wood!
41
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199