Indoor pollution is 10 times more toxic than outdoor pollution.
62
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3