BBC Inside Science

This episode of Inside Science explores the zeptoverse, an extremely tiny scale where particle physicists hope to find clues to major unanswered questions about the universe. It also begins a weekly series on how artificial intelligence is changing people’s relationships with things they value.

Harry Cliff discusses the zeptoverse with presenter Tom Whipple, while Barter Books co-owner Stuart Manley explains why the Alnwick bookshop has received unusual orders. Science journalist Penny Sarchet also joins the programme to discuss recent science news. The episode is produced in partnership with The Open University.