From: utzoo!decvax!microsof!uw-beave!uw-june!emma
Newsgroups: net.physics
Title: Re: Ice in water
Article-I.D.: uw-june.371
Posted: Sat Apr  9 18:50:03 1983
Received: Sun Apr 10 07:30:05 1983
References: sri-arpa.856

The air is obviously the reason ice floats in water -- WHAT?!?!?  Ice floats
in water because water expands when it freezes.
-Joe P.