Science

BBC Inside Science

Why men have nipples and how gravity slingshots work; your science questions answered.

Published April 2, 2026, 4:00 PM
Updated April 2, 2026, 4:46 PM1.5K
Share𝕏f
BBC Inside Science

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Episode details

Radio 4,02 Apr 2026,28 mins

Available for 35 days

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

Programme Website
More episodes
Share𝕏f
News17 is committed to delivering accurate, fair, and thoroughly researched reporting. If you believe this article contains an error, please contact our editorial team at corrections@news17.net. We take all reports seriously and will issue corrections promptly when warranted.