Instant Genius is a bite-sized masterclass in podcast form. In this week's episode, we talk to Dr Helen Scales, a marine biologist, writer and broadcaster.

She's the author of a number of popular science books, including her latest book, What A Shell Can Tell (£16.95, Phaidon Press) teaches us all about seashell diversity.

She tells us about the wonders of seashells and their mollusc inhabitants.

Find Instant Genius on your preferred podcast platform here: instantgenius.podlink.to/Podcast

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Authors

Alice Lipscombe-SouthwellManaging editor, BBC Science Focus

Alice is the managing editor at BBC Science Focus Magazine. She has a BSc in zoology with marine zoology. Her interests include natural history, wildlife, the outdoors, health and fitness.

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