BBC Inside Science - Responding to your science questions

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This week, we’re letting you run the airwaves. Victoria Gill puts your science questions to Catherine Heymans, Astronomer Royal for Scotland and Professor of Astrophysics at the University of Edinburgh, Mark Maslin, Professor of Earth System Science at University College London, and Penny Sarchet, Managing editor of New Scientist.

If you’ve ever wondered why men have nipples, how gravity slingshots work, or whether photosynthesis could solve our energy problems, that’s all on this week’s BBC Inside Science.

Presenter: Victoria Gill Producers: Ella Hubber & Debbie Kilbride Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth

Published on Thursday, 2nd April 2026.

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