Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
One barrel of petroleum holds 42 gallons.
20
The smell of freshly cut grass is actually a plant distress call.
31
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Pumice is the only rock that floats on water.
14
Sound travels fifteen times faster through steel than through air.
134