3. Big Bad Germs
“I want to talk about diarrhea.” No, this isn’t the latest patient to walk into your life—it’s evolutionary biologist Paul Ewald addressing his audience at TED as he explores the question “Why are some germs more harmful than others?” and, furthermore, “How can we control them?” In this video, he takes viewers into the sewer to take a closer look at the fascinating(?) substance we nurses are all too familiar with: diarrhea.