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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound travels fifteen times faster through steel than through air.
134
The smell of freshly cut grass is actually a plant distress call.
31
Billions of neutrinos pass unnoticed through your body every second.
6
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61