The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Cold water weighs more than hot water.
93
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The bark of an older redwood tree is fireproof.
65
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Neanderthal man had a brain capacity 100cc larger than modern man's.
50