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Pat Wolseley

Jim Al-Khalili talks to Pat Wolseley talks about her obsession with lichen.

• 28 mins

Martin Siegert

Jim Al-Khalili goes under the Antarctic ice with glaciologist Martin Siegert.

• 28 mins

Dame Ann Dowling

Jim Al-Khalili discusses silent aircraft with Cambridge engineer, Dame Ann Dowling.

• 28 mins

Richard Dawkins

Jim Al-Khalili meets evolutionary biologist and author Prof Richard Dawkins.

• 28 mins

Andrea Sella

Jim Al-Khalili discovers why Andrea Sella's chemistry demonstrations are filling theatres.

• 28 mins

David Nutt

Jim Al-Khalili interviews Prof David Nutt about research into drugs and the brain.

• 28 mins

Sunetra Gupta

Jim Al-Khalili meets Prof Sunetra Gupta, a scientist and novelist.

• 28 mins

Sir Mark Walport

Jim Al-Khalili talks to the next government chief scientific advisor, Sir Mark Walport.

• 28 mins

Hugh Montgomery

Jim Al-Khalili interviews Professor Hugh Montgomery about the gene for fitness.

• 28 mins

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