On Mon, 14 Mar 2011 09:14:27 -0000, "john south"
> wrote:

>But is the wife right in saying this is a very *risky* procedure, putting a
>pyrex glass bowl over a gas ring to boil things? Even though i always start
>on the minimum heat so as to minimize any strains on the glass.

http://www.snopes.com/food/warnings/pyrex.asp