Can we cultivate germs? - Paul Ewald

from TED-Ed · host TED-Ed

View full lesson: http://ed.ted.com/lessons/can-we-domesticate-germs-paul-ewaldEvolutionary 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.Talk by Paul Ewald. Learn more about your ad choices. Visit megaphone.fm/adchoices

Episode metadata supplied by the publisher feed · Published Aug 11, 2026

Embed this episode

Attribution link and audio player

NOW PLAYING

Can we cultivate germs? - Paul Ewald

0:00 24:34

1×

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

Share this episode

Similar Episodes

No similar episodes found.

Similar Podcasts

No similar podcasts found.

Frequently Asked Questions

How long is this episode of TED-Ed?

This episode is 24 minutes long.

When was this TED-Ed episode published?

This episode was published on August 11, 2026.

Can I download this TED-Ed episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.

URL copied to clipboard!