"Mike Causer" wrote in message
newsan.2005.01.26.13.35.48.404111@firstnamelastn ame.com.invalid...
On Wed, 26 Jan 2005 11:36:17 +0000, bob watkinson wrote:

Thanks Steve. I wonder if water is the only substance to behave this way
when it freezes.

There's a lot of explanation of the unusual properties of water he
http://www.lsbu.ac.uk/water/anmlies.html



Mike

fascinating site, many thanks