Sex, IQ & ET: How We Got Big Brains

By Seth Shostak
Senior Astronomer, Project Phoenix, SPACE.com

Relative to their size, humans have the biggest brains on the planet. Check out the guy sitting next to you on the bus: hunkered beneath a fringe of moussed hair and a few millimeters of skull are three crinkly pounds of brain -- the only substantive difference between you and species you regard as food or pets.


( But how did this happen? )

One more piece of laughing from Dave Barry

...
I have ridden in a taxi in the Argentine city of Mar Del Plata (literally, ``Cover Your Eyes''), where (a) nobody ever drives slower than 65 miles per hour, including inside parking garages, and (b) at night, many motorists drive with their headlights off, because -- a taxi driver told me this, and he was absolutely serious -- this extends the life of your bulbs. (When he told me this, we were in a major traffic jam caused by an accident involving a truck and a horse.)
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the whole thing