What's commensalism? Sort of nature's way of sponging off something, but that something doesn't mind. If that doesn't make sense, take 12 minutes to listen and find out for yourself.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

Selects: Mangroves: Nature's Best Tree?
44:31

How the Kowloon Walled City Worked
41:27

Short Stuff: In-Flight Entertainment
12:23