There was a recent Horizon program
That suggested it was cooking that lead to a better release of nutrients and thus more free time and the resultant possibilities for advancement.

I agree with everything else with the teeth & stomach though. We evolved to eat meat, fruits and leafy vegetables. Grains not at all.
(Richy_T hundreds if not thousands of dollars, Thu 1 Apr 2010, 17:52, 2 replies)

No grains?
Then what will we do for beer?
( flake has nothing against your right leg, Thu 1 Apr 2010, 18:54, closed)

I think I'll be drinking mine
;)
(Richy_T hundreds if not thousands of dollars, Thu 1 Apr 2010, 22:52, closed)

No, we evolved to eat meat, fish, fruit and veg
Hence we can digest them all

/pedant
( drunkenoaf, Thu 1 Apr 2010, 21:15, closed)

Well
I kinda count fish as meat.
(Richy_T hundreds if not thousands of dollars, Thu 1 Apr 2010, 22:52, closed)

What about sea cucumbers?
It's kind of a grey area
( Draconacticus Reject shampoo. Demand real poo!, Fri 2 Apr 2010, 0:24, closed)

I don't sea any cucumbers.
Do you?
(Scritty Bakerman., Fri 2 Apr 2010, 22:49, closed)