A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15