• Paul Ewald
• Evolutionary biologiost

• Speaking at TED2007
• March 2007
• Monterey, CA

Can we domesticate germs?: Evolutionary biologist Paul Ewald drags us into the sewer to discuss germs. Why are some more harmful than others? How could we make the harmful ones benign? Searching for answers, he examines a disgusting, fascinating case: diarrhea.