Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One ragweed plant can release as many as one billion grains of pollen!
51
One barrel of petroleum holds 42 gallons.
20
Scientists aren't sure what color dinosaurs were.
312
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57