The bark of an older redwood tree is fireproof.
65
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
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Sound at the right vibration can bore holes through a solid object.
134
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
According to studies, men change their minds two to three times more often than women.
72
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
A ball of glass will bounce higher than a ball made of rubber.
73