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Physics in all its glory

Roger Penrose, Carlo Rovelli and Helen Czerski with Andrew Marr

• 42 mins

Landscapes real and imagined

Daisy Johnson, Caleb Femi and Kevin Barry with Tom Sutcliffe.

• 42 mins

Derrida, Woolf, and the pleasure of reading

Andrew Marr with Bernhard Schlink, Alexandra Harris and Peter Salmon

• 42 mins

Human ingenuity and shared inheritance

Amol Rajan with Simon Baron-Cohen, Rebecca Wragg Sykes and Susana Carvalho.

• 42 mins

Laughter

Andrew Marr with Sindhu Vee, John Mullan and Jonathan Silvertown.

• 43 mins

Inspiring awe – from the heavens to the oceans

Tom Sutcliffe with Stuart Clark, Rebecca Giggs and Antony Gormley.

• 42 mins

Thomas Becket and the rift between church and state

Andrew Marr with Laura Ashe, Christopher de Hamel and Andrew Hussey.

• 41 mins

Nicholas Hytner

The award-winning theatre director Nicholas Hytner in conversation with Andrew Marr.

• 42 mins

Scotland and the Union

Andrew Marr with Ailsa Henderson, Ruth Wishart, Ben Jackson and Karin Bowie.

• 41 mins

Francis Bacon revealed

Andrew Marr with Annalyn Swan, Russell T Davies and Mark-Anthony Turnage

• 41 mins

Mariana Mazzucato on moonshot economics

Amol Rajan with Mariana Mazzucato, Vince Cable and Robert Verkaik

• 42 mins

The fall of Maxwell – the end of an era.

Andrew Marr with John Preston, Julia Langdon and Emily Bell.

• 41 mins

Empire and class, shaping Britain

Tom Sutcliffe with Sathnam Sanghera, Selina Todd and Anthony Anaxagorou

• 42 mins

Living online and IRL

Andrew Marr with Patricia Lockwood, Roisin Kiberd and Matthew Syed.

• 41 mins

Family struggles - from Greek tragedy to The Troubles

Kirsty Wark with Sally Bayley, Kerri ní Dochartaigh and Lisa Dwan.

• 42 mins

Monsters of the deep

Andrew Marr with Helen Scales, Philip Hoare and Elizabeth Kolbert

• 41 mins

Understanding Melancholy

Amol Rajan with Mary Ann Lund, Horatio Clare and Ahmed Hankir.

• 42 mins

Rights and responsibilities

Andrew Marr with Matthew d’Ancona, Minouche Shafik and Kenan Malik

• 42 mins

Newton: science and worldly riches

Tom Sutcliffe with Edward St Aubyn, Patricia Fara and Chris van Tulleken.

• 42 mins

Trade deals and human rights – in Africa and China

Andrew Marr with Tom Tugendhat, Geetha Tharmaratnam and Michela Wrong.

• 42 mins

Defining mental illness

Andrew Marr with Suzanne O’Sullivan, Lucy Foulkes and Sally Holland

• 42 mins

Nuclear destruction

Amol Rajan with Serhii Plokhy, Patricia Lewis and Sarah Rainsford

• 42 mins

What if the Incas had colonised Europe?

Andrew Marr with Laurent Binet, Caroline Dodds Pennock and Christienna Fryar.

• 41 mins

Personal faith and the Church

Tom Sutcliffe with Chine McDonald, Giles Fraser and Jeet Thayil.

• 41 mins

Art - plunder, power and prestige

Andrew Marr with Cynthia Saltzman, Francesco da Mosto and Charles Saumarez Smith.

• 42 mins

The opioid crisis and erosion of trust

Amol Rajan with Patrick Radden Keefe, Zoe Williams and Heidi Larson

• 42 mins

Daniel Kahneman on 'noisy' human judgement

Andrew Marr with Daniel Kahneman, Gillian Tett and Ann Cairns.

• 42 mins

On Thin Ice: Glaciers, Geopolitics, and Nature's Goods

Kirsty Wark with Jemma Wadham, Anne Sverdrup-Thygeson and Dwayne Ryan Menezes.

• 42 mins

DH Lawrence: life and work

Andrew Marr with Frances Wilson, Salman Rushdie and Simon Armitage

• 42 mins

Lionel Shriver on life and death decisions

Tom Sutcliffe with Lionel Shriver, David Jarrett and Jack Thorne.

• 41 mins