Rock Doc

Little kids are amenable to learning new habits - generally much more so than those of us who are set in our ways because this isn't our first rodeo. That's why it's sometimes more effective to teach children health science information rather than to do outreach aimed directly at their parents.

That's part of the background to the Global Soap Project. It's a project that rests on some simple science long ago worked out by biologists and medical researchers. The basic fact is that many types of infections are spread through contaminated water and dirty hands. Microbes can flourish in such spots...