On 6 Feb 2005 09:27:25 -0800, "jo" >
wrote:

>The small amount of aeration that occurs from a cork
>won't happen with screw caps.

Not quite true. To be precise, the aeration through corks varies a
good deal. With screwtops the variation is a lot smaller. It is at
the low end of the porosity of cork, but within the cork range. For
numbers, see:
http://www.henschke.com.au/news/?id=12

--
Steve Slatcher
http://pobox.com/~steve.slatcher