The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The bark of an older redwood tree is fireproof.
65
Iron weighs more after it rusts.
16
Out of all the senses, smell is most closely linked to memory.
146
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The storage capacity of human brain exceeds 4 Terrabytes.
140
For every gallon of sea water, you get more than a quarter pound of salt.
45
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3