Iron weighs more after it rusts.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Cold water weighs more than hot water.
93
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Pure water (H2O) does not conduct electricity on its own.
46
Scientists aren't sure what color dinosaurs were.
312
Sound travels fifteen times faster through steel than through air.
134