TED-Ed

Can we domesticate germs? - Paul Ewald (2013x16)

Ημερομηνία προβολής: Ιαν 15, 2013

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.