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Alien life and gravity

Tom Sutcliffe with Lisa Kaltenegger, Claudia de Rham and Mark Fromhold

• 41 mins

Protest and patriotism

Jackie Kay, Caroline Lucas and Simon Heffer with Adam Rutherford.

• 41 mins

Bees – culture and survival

Tom Sutcliffe with Wolfgang Buttress, Claire Preston, Lars Chittka and Alison Benjamin

• 41 mins

Art: market, money and malfeasance

Tom Sutcliffe with Francesca Whitlum-Cooper, Orlando Whitfield and Angelina Giovani

• 42 mins

Reading the Bible

Kirsty Wark swaps Bible stories with Marilynne Robinson, Naomi Alderman and Malika Booker

• 41 mins

Hay Festival: ancient wisdom and ecology

Adam Rutherford with Robin Wall Kimmerer, Hugh Warwick and Olivia Laing at Hay Festival

• 42 mins

‘Left behind’, but not forgotten

Tom Sutcliffe with Paul Collier, Joanna Kusiak and Matthew Xia.

• 41 mins

Politeness and civility

Adam Rutherford with Louise Mullany, John Gallagher, Susie Dent and Matt Forde.

• 42 mins

Animal communication

Tom Sutcliffe with Martin Wikelski, Kapka Kassabova and Ilyena Hirskyj-Douglas

• 42 mins

Weaving magic in words, clay and paper

Kirsty Wark with Kathleen Jamie, Jennifer Lucy Allan, Mark Hearld and Naomi Robertson

• 41 mins

On Freedom

Tom Sutcliffe with Timothy Snyder, Oksana Maksymchuk and Lucy Ash

• 41 mins