Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One third of the electricity produced on earth is used to power electric light bulbs!
75
Most dust particles in your house come from dead skin.
48
Scientists aren't sure what color dinosaurs were.
312
Sound at the right vibration can bore holes through a solid object.
134
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
