The Infinite Monkey Cage

Latest Episodes:

Leaf it to Nature Nov 05, 2026

Show notes

We walk on them, rake them up, often barely give them a thought, but the humble leaf is an extraordinary feat of biological engineering. Adam Rutherford and Jessica Fostekew are joined plant scientist Tracy Lawson, biologist Jonathan Silvertown, and comedian Alex Kealy to uncover the hidden ingenuity of leaves. They explore how leaves evolved, why plants face a constant battle between thirst and starvation, and whether understanding their clever adaptations could help us engineer crops for a hotter, drier future.

Producer: Mel Brown A BBC Studios Production

Ghosts - Isy Suttie, Laurence Rickard, Ciarán O'Keeffe and Chris French Oct 29, 2026

Show notes

Things that go bump in the night meet the cold light of science as Jessica Fostekew and Prof Adam Rutherford investigate why ghosts continue to haunt our imaginations. Joining them for some spooky science are psychologists Chris French and Ciaran O'Keeffe, comedian Isy Suttie and actor and co-creator of Ghosts Laurence Rickard. From sleep paralysis and haunted houses to séances, paranormal investigations and the power of suggestion, they ask why people see and sense things that aren't there, what makes somewhere feel haunted, and whether science can explain our strangest ghostly encounters. So dim the lights and enter the monkey cage....if you dare!

Nothing Really Matters - Hugh Dennis, Ria Lina, Harry Cliff and Yvette Fuentes Oct 22, 2026

Show notes

Jessica Fostekew and Adam Rutherford tackle one of the biggest and strangest questions in science: what is nothing? Starting with the earliest philosophers and journeying through to today's cutting-edge experiments, they ask whether true nothingness can ever exist.

Joining them to explore one of science's most perplexing and important questions are physicists Harry Cliff and Yvette Fuentes, alongside comedians Hugh Dennis and Ria Lina. Together, they uncover why vacuums are far from empty, how the concept of nothing transformed science, and what the nature of absence can tell us about the origins and fate of the universe.

Along the way, they delve into philosophical debates about the void, discover how scientists measure and define "nothing", and explore why the empty spaces between stars may be more active than they appear. They also role-play as positrons, deliberate over badgers, and learn that geckos harness quantum effects in unexpected ways. Our panel reveal that there is, perhaps surprisingly, rather a lot to say about nothing at all.

Producer: Mel Brown A BBC Studios Production

The First Britons - Tim Minchin, Prof Chris Stringer and Dr Selina Brace Oct 15, 2026

Show notes

The Infinite Monkey Cage returns for a brand-new series, with Professor Adam Rutherford and comedian Jessica Fostekew swinging into the cage as guest presenters. In this first episode, they find out who were the very first people to land on the British Isles… if they even were Isles at all.

Joined by anthropologist Professor Chris Stringer, geneticist Dr Selina Brace and comedian Tim Minchin, they learn that our British ancestors got to hang out with hippopotamuses, uncover what ancient DNA can tell us about man’s earliest best friends, and discover that some Homo sapiens became more than just friends with our Neanderthal cousins... The panel also gets to the bottom of some of the most pressing scientific debates: like if Cheddar Man was really a looker and whether the Brits have always had bad teeth.

Producer: Mel Brown A BBC Studios Production

Trailer Oct 13, 2026

Show notes

A witty, irreverent look at the world through scientists' eyes, guest hosted by Prof. Adam Rutherford and Jess Fostekew.

The North Pole Unwrapped - Russell Kane, Felicity Aston and Lloyd Peck Dec 24, 2025

Show notes

In this Christmas episode of The Infinite Monkey Cage, Brian Cox and Robin Ince head to the North Pole to explore the dazzling science behind the northern lights, the extreme adaptations that help animals - and even Santa Claus - survive the Arctic cold, and how the Earth’s magnetic field might just guide him home. Joining the monkeys are comedian Russell Kane, Arctic explorer Felicity Aston and Polar biologist Lloyd Peck, as they brave the chill to uncover the wonders of one of Earth’s most remote and magical frontiers.

Series Producer: Mel Brown Researcher: Alex Rodway Executive Producer: Alexandra Feachem A BBC Studios Production

Monkey Business - Robin Dunbar, Dave Gorman and Jo Setchell Dec 17, 2025

Show notes

In perhaps the monkiest Infinite Monkey Cage episode there’s ever been, Brian Cox and Robin Ince attempt to uncover the secrets of love, lust and friendship in primates. Swinging by to offer a hand (or tail) are evolutionary psychologist Robin Dunbar, anthropologist Jo Setchell, and comedian Dave Gorman.

Together the panel explores Dunbar’s number in monkeys – the idea that the number of friendships an individual can maintain correlates with brain size – with the very creator of the theory! They ask whether monkeys feel love the way we do, why some species remain strictly monogamous but others don’t, and what we could learn about ourselves through studying them. Robin goes bananas for bonobo fashion, while Dave couldn’t give a monkey’s about finding an aftershave to complement his natural smell.

Series Producer: Mel Brown Researcher: Alex Rodway Executive Producer: Alexandra Feachem A BBC Studios Production

Head in the Clouds - Owain Wyn Evans, Gavin Pretor-Pinney, Amanda Maycock Dec 10, 2025

Show notes

Robin Ince and Brian Cox look up to the heavens as they try to ‘de-mistify’ the foggy science of clouds. They’re joined by Cloud Appreciation Society founder Gavin Pretor-Pinney, climate scientist Amanda Maycock, and former weather presenter and drummer Owain Wyn Evans, for a whirlwind tour of our too often-overlooked aerial realm.

The panel explores how clouds form, why they take such extraordinary shapes, and how satellites and weather balloons help us keep track of them. They discover why low clouds cool the planet but high clouds warm it and why a cloud that weighs as much as a jumbo jet manages to stay up in the sky. From the physics of a crisp packet balancing on a cumulonimbus to the shimmering beauty of noctilucent clouds, tune in for this cirrus-ly fascinating episode.

Series Producer: Mel Brown Researcher: Alex Rodway Executive Producer: Alexandra Feachem A BBC Studios Production

Fusion – Ria Lina, Yasmin Andrew and Howard Wilson Dec 03, 2025

Show notes

Robin Ince and Brian Cox get all fired up, overcome their natural repulsion and come together for this stellar episode on nuclear fusion. They’re joined by plasma physicist Yasmin Andrew, fusion scientist Howard Wilson and comedian Ria Lina to uncover the secrets of star-making here on our planet.

Together the panel discovers how the sun fuses atoms to release energy and why misbehaving, jiggling plasma makes this tricky to recreate on Earth. They explore the competing technological approaches — from giant magnets to the world’s biggest lasers — and find out that the hottest place in the solar system is, in fact, in Oxfordshire. Finally, they ask whether fusion could really provide an unlimited source of clean energy, or whether the technology will forever be “just 20 years away”.

Producer: Melanie Brown Executive Producer: Alexandra Feachem A BBC Studios Production

What’s the deal with eels? – Lucy Porter, David Righton and Caroline Durif Nov 26, 2025

Show notes

Fishing rods at the ready, Brian Cox and Robin Ince attempt to reel in a creature that has baffled scientists since Aristotle: the eel. Wriggling in to help them uncover the mysteries of one of nature’s slimiest subjects are marine scientists David Righton and Caroline Durif, and comedian Lucy Porter.

How do eels navigate such vast distances so deep under water? Why has no one ever seen them reproduce? And WHY would anyone eat them jellied with pie and mash?! The panel discovers that Spanish eels are always late and that eels from all different countries are thought to meet up somewhere in the Atlantic Ocean for a huge annual orgy.

Producer: Melanie Brown Assistant Producer: Olivia Jani Executive Producer: Alexandra Feachem A BBC Studios Production

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