Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Iron weighs more after it rusts.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The bark of an older redwood tree is fireproof.
65
Scientists aren't sure what color dinosaurs were.
312
The only letter not appearing on the Periodic Table is the letter "J".
180
