Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The average temperature at 40,000 feet above sea level is -60 F.
56
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Sound travels fifteen times faster through steel than through air.
134
Nearly 50% of the world's scientists are assigned to military projects.
71
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17