4.5 pounds of sunlight strike the Earth each day.
27
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 bark of an older redwood tree is fireproof.
65
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61