Michael Black wrote:

> And oddly, you can have mold growing on items that do involve mold. I
> better throw out that yogurt, because while the process of making yogurt
> involves mold, that bit sitting at the back of the refrigerator for too
> many weeks has some other unwanted kind of mold on it.
>
> Michael

All true... I was taking some liberties, saying cheese == mold.
The point was that for most (aged) cheeses, the primary mold to grown on
it is the same as grew in it.
As for yogurt - you're right to toss it. Yogurt is fermented by a
bacterium, and any mold you see is a foreign overgrowth.

Dave