A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Sound travels fifteen times faster through steel than through air.
134
Scientists aren't sure what color dinosaurs were.
312
Balsa wood is classified as a hard wood!
41
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11