Instant Genius is a bite-sized masterclass in podcast form. In this week's episode, we talk to Dr Erica McAlister.

She is the curator of flies at the Natural History Museum.

In this episode of Instant Genius, McAlister takes the time to explain why flies are actually very useful. Important pollinators, and expert cleaners, flies are really quite misunderstood.

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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.