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Monica Grady

Jim Al-Khalili and Prof Monica Grady weigh up the evidence for life on Mars.

• 28 mins

Jared Diamond

Jared Diamond on gall bladders, global history and the birds of Papua New Guinea.

• 28 mins

John Gurdon

2012 Nobel Prize winner John Gurdon on cloning a frog decades before Dolly the Sheep.

• 28 mins

Amoret Whitaker

Amoret Whitaker talks about insects and their role in helping solve crimes.

• 28 mins

Prof Robert Mair

Robert Mair talks about tunnelling under Big Ben, Crossrail and engineering for the future

• 28 mins

Annette Karmiloff-Smith

Should babies under two watch TV? Jim talks to psychologist Annette Karmiloff-Smith.

• 28 mins

Noel Sharkey

Jim Al-Khalili talks to roboticist and psychologist, Noel Sharkey.

• 28 mins

Valerie Beral

Jim Al-Khalili talks to breast cancer pioneer Valerie Beral.

• 28 mins

Alan Watson

Jim Al-Khalili talks to Alan Watson about his quest to discover the source of cosmic rays.

• 28 mins

Sue Ion

Jim Al-Khalili talks to Sue Ion about working in the nuclear industry post-Chernobyl.

• 28 mins

Nancy Rothwell

Jim Al-Khalili in conversation with the neuroscientist Prof Dame Nancy Rothwell.

• 28 mins

Sanjeev Gupta

What links the English Channel to valleys on Mars? Jim talks to geologist Sanjeev Gupta.

• 28 mins

Lord John Krebs

Lord John Krebs talks to Jim al-Khalili about birds, foot and mouth disease and badgers.

• 28 mins

Linda Partridge

The science of longevity - Jim Al-Khalili chats to geneticist Prof Dame Linda Partridge.

• 28 mins

Athene Donald

Prof Dame Athene Donald talks to Jim Al-Khalili about the physics behind everyday stuff.

• 28 mins

Ewan Birney

Ewan Birney talks to Jim Al-Khalili about deciphering the human genome and junk DNA.

• 28 mins

David Spiegelhalter

Jim Al-Khalili talks risk and uncertainty with Prof David Spiegelhalter.

• 28 mins

Elizabeth Stokoe

Jim Al-Khalili talks to Professor Elizabeth Stokoe about studying real-life conversations.

• 28 mins

Russell Foster

Jim Al-Khalili talks to zoologist Russell Foster about circadian rhythms and jet lag.

• 28 mins

Joanna Haigh

Joanna Haigh, professor of physics at Imperial College, talks climate with Jim Al-Khalili.

• 28 mins

Mark Lythgoe

Jim Al-Khalili discusses medical imaging and mountain climbing with Prof Mark Lythgoe.

• 28 mins

Mike Benton

Jim Al-Khalili discusses digging up dinosaurs in remote places with Prof Mike Benton.

• 28 mins

Ian Stewart

Jim Al-Khalili discusses sci-fi and popularising maths with Prof Ian Stewart.

• 28 mins

Sophie Scott

Jim Al-Khalili talks to neuroscientist Sophie Scott about the science of laughter.

• 28 mins

Jenny Graves

Jim Al-Khalili talks kangaroos and the death of the Y chromosome with Prof Jenny Graves.

• 28 mins

Wendy Hall

Jim Al Khalili discusses the development of the web with Prof Wendy Hall.

• 28 mins

Peter Higgs

Peter Higgs opens up to Jim Al-Khalili about the real story of the Higgs boson.

• 28 mins

Sue Black

Jim Al-Khalili talks to forensic scientist Sue Black about identifying human bodies.

• 28 mins

Vikram Patel

Jim Al-Khalili discusses global mental health with psychiatrist Prof Vikram Patel.

• 28 mins

Mark Miodownik

Mark Miodownik talks nuclear weapons, 3D printers and smart materials with Jim Al-Khalili.

• 28 mins