Scientists aren't sure what color dinosaurs were.
312
Nylon is made from coal and petroleum.
42
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Sound travels fifteen times faster through steel than through air.
134