Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sound travels about 4 times faster in water than in air.
408
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Cold water weighs more than hot water.
93
A cesium atom in an atomic clock beats over nine billion times a second.
43
Diamonds can be shattered with a hammer.
-104
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108