>>> separation of food and air intakes
>>
>> OK, that's probably a good idea. In fact it would probably be 
>> beneficial if all that pipework didn't have to go through your neck... 
>> it's kind of vulnerable.
> 
> Although I'll admit some reports I've seen suggest that our ability to 
> make complex noises derives from this cross over.

For some reason, when I read "complex noises" I immediately thought of 
Blur's "Song 2".

I guess it seemed a fitting counter-example or something... ;-)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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