LifeStraw

The LifeStraw is a portable, cheap water filter that relies on suction and no moving parts to provide potable water for millions of the world's poorest. Every day 6000 people die of water borne illness. This little product might go a long way to saving many of these lives.

I found this on the Medgadget site, dedicated to interesting new developments in medicine. Check it out.

http://www.medgadget.com/archives/2005/05/lifestraw.html