Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
4.5 pounds of sunlight strike the Earth each day.
27
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Pumice is the only rock that floats on water.
14
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Iron weighs more after it rusts.
16
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20