Huh, have you ever wondered what a sandwich sounds like?

Not much to it, is there?

Unless, of course, it's a Walker's sandwich.

Mmm, that is good.

Now that's what Asani should sound like.

Go all crisp in with walkers.

Delicious.

Hi there, I'm Jason Gatz and you you're listening to Think Again, a Big Think podcast.

What happens in your brain when I say the word jellyfish?

If you're not a marine biologist, and if going to the beach almost anywhere in the world is a part of your

life, the word probably makes you wince. Maybe you remember getting stung. Maybe you remember

someone putting meat tenderizer on it. Is it good for anything else? But as my guest today,

Julie Burwald knows, jellyfish are neither a fish nor the cartoon villains that we make them out

to be. They're a fascinating, complex, diverse life form

whose tentacles are tangled up in all of our lives

in ways we're only dimly aware of.

Julie Burwold is a science writer with a PhD in Ocean Science.

Her new book is Spineless,

The Science of Jellyfish, and the Art of Growing a Backbone.

Welcome to think again, Julie.

It's great to be here. So where shall we begin with the jellyfish and the art of growing a backbone. Welcome to think again, Julie. It's great to be here. So where shall we begin with the jellyfish? You know, I guess I imagine a wag out there going,

jellyfish, why should I care? So maybe, maybe, maybe let's just start there. Why should

...