Brainstuff

A snail's shell is its permanent home -- but how do these wee, soft, slimy creatures grow hard, beautiful shells? Learn how it works in this classic episode of BrainStuff, based on this article: https://animals.howstuffworks.com/marine-life/do-snails-get-shells.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.