Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A cesium atom in an atomic clock beats over nine billion times a second.
43
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Aluminum used to be more valuable than gold!
84
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21