http://discovermagazine.com/2007/dec...tart:int=2&-C=

No offense David, but what you left out was equally interesting, if not more provocative. Good article in it's entirety. - j

Mel, I've got a 'vac' thingie that I got over 20 years ago! You want it? Used it about 10-20 times and gave up on it...don't remember why, guess it was the intervention of freezer zip-loc bags- much easier. HUMMMM