Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
The smell of freshly cut grass is actually a plant distress call.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
Sound travels fifteen times faster through steel than through air.
134
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
Nylon is made from coal and petroleum.
42