Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Most dust particles in your house are made from dead skin!
67
Iron weighs more after it rusts.
68
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5