In commensal biological relationships, one organism benefits from another's work without harming (or, often, even alerting) the worker organism. Learn more about commensalism in this episode of BrainStuff. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

Why Was a Doctor Once Ridiculed for Recommending Hand Washing?

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.