Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists aren't sure what color dinosaurs were.
312
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Out of all the senses, smell is most closely linked to memory.
146
One ragweed plant can release as many as one billion grains of pollen!
51
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The sun is 330,330 times larger than the earth.
75