How do snails make their shells?

Moment Of Um

Lemonada Media

Kids & Family, Education For Kids

4.4 • 1.5K Ratings

🗓️ 13 November 2023

⏱️ 5 minutes

🔗️ Recording | iTunes | RSS

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Summary

Have you ever seen a snail sliming along, eyestalks a-waving, carrying its whole house on its back? What are snail shells made of, anyway? And how do they make them? We asked biologist Teresa Rose Osborne to help us find the answer. Got a question that’s been creeping around your brain? Send it to us at BrainsOn.org/contact, and we’ll escar-GO find you the answer! See omnystudio.com/listener for privacy information.

Transcript

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0:00.0	From the brains behind brains on, this is the Moment of Um. Answering those questions that make you go um.
0:09.8	Um. Moment of Um um comes to you from. Moment of Um um um, um, comes to you from APM Studios.
0:26.5	I'm Shelby Marinelli, the snail, and it's my first day answering phones at HomeShellers Real Estate.
0:34.1	Um.
0:42.0	Thank you for calling Home Shellers Real Estate. This is Shelby. How may I help you?
0:47.9	Oh, yes, ma'am. Absolutely. We do customs nail shells.
0:49.2	Mm-hmm. Mm-hmm. Uh-huh.
0:51.6	Yes, we have a number of attractive options at different price levels.
0:55.8	What are you looking for?
0:58.7	Built-in storage?
1:02.0	Absolutely.
1:02.9	Yes, we can do that for you.
1:05.4	Did you want the compact option, or were you interested in the deluxe extra spacious?
1:15.6	Fantastic, and we can have a consultant come out and talk you through our color options and What's the construction process?
1:18.6	My friend Harrison was just asking this.
1:21.6	How do snails make their shells?
1:28.0	The word is accretion, and that means adding a little bit to the end.
1:34.4	A snail shell is like a tube, and the tube gets wider, and also the tube
1:40.6	twirls around in space, and that's what makes the spiraled triangle conical shape of a typical
1:49.8	snail shell. Hi, my name is Dr. Teresa Rose Osborne. I am a postdoctoral researcher. I study
1:58.5	land snails and ants. Shellels are like snail bones, so they grow as the snail grows.
2:07.6	So there's one end of this tube that's the shell that's like all closed off and is born with the snail.
	...

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