Sound travels about 4 times faster in water than in air.
408
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Nylon is made from coal and petroleum.
42
The storage capacity of human brain exceeds 4 Terrabytes.
140
The bark of an older redwood tree is fireproof.
65
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16