The Infinite Monkey Cage

• Saturn v Jupiter - Katherine Parkinson, Paul Abel and Michele Dougherty

  Brian Cox and Robin Ince referee as Saturn and Jupiter square up to each other in a planetary face off. Representing team Saturn is space physicist Professor Michele Dougherty, and in the opposite corner is Dr Paul Abel on Team Jupiter. Katherine Parkinson judges this cosmic contest, casting the final vote to decide who will be awarded the coveted Kuiper Belt. It is not all about looks of course, but it is a significant factor in a first impression. Both Saturn and Jupiter score highly in this department, boasting magnificent icy rings and colourful stripes respectively. But what lies beneath their aesthetically pleasing exteriors? How do the planets compare on the inside? The gas giants have been subjects of investigation for many years, with historic missions like Galileo and Cassini uncovering their secrets. But they aren’t alone, each planet is surrounded by its own mini solar system of moons, which get space scientists just as excited as their parent planets do. Both Jupiter and Saturn have moons which are hot contenders in the search for extra-terrestrial life and our panel discuss the future plans to explore them.Producer: Melanie Brown Exec Producer: Sasha Feachem Researcher: Olivia Jani

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• Adventures on Ice - Darren Harriott, Liz Morris, Christoph Salzmann and Felicity Aston

  Robin Ince and Brian Cox venture into the captivating and surprisingly mysterious realm of ice. Joining them on this cool adventure are former ice dancer Darren Harriott, glaciologist Liz Morris, polar explorer Felicity Aston and ice chemist Christoph Salzmann. From beautifully formed snowflakes to ice shelves in Antarctica, our guests discuss the fascinating science suspended in solid water and how much is still to be discovered. With the help of a gin and tonic they explore the properties of ice - like why it floats and how there are 20 phases of ice, three of which were accidentally discovered by our guest Christoph. Darren shares his respect and fear for ice having learnt to dance and ice-skate on it. Liz discusses how analysing deep ice can provide a window into our past climate whilst also helping us understand our present one and why penguins can be problematic. Polar explorer Felicity explains how being able to read the colours, shapes and sounds of the ice have helped to keep her alive as she's traversed the highly inhospitable (but also incredibly beautiful) polar regions. Producer: Melanie Brown Exec Producer: Alexandra Feachem Assistant Producer: Olivia Jani

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• How selfish are we really? - Jo Brand, Matti Wilks and Steve Jones

  Brian Cox and Robin Ince kindly open the door for each other as they step into understanding altruism, asking why humans have evolved to help each other. Joining them to explore the human tendency to be kind is evolutionary biologist Steve Jones, psychologist Matti Wilks and comedian Jo Brand. Starting with the animal kingdom, we probe the biological underpinnings of why organisms might act to help others at an energetic cost to themselves and where this fits alongside the theory of evolution. We explore how the development of human societies has necessitated altruistic behaviours and how these manifest in our modern lives. Matti introduces the idea of moral circles as we ask why are we more generous to some people than others. We explore how children feel about being kind to those close and far away with some surprising recent findings and finally consider what can encourage more altruistic behaviour.Producer: Melanie Brown Exec Producer: Alexandra Feachem Assistant Producer: Olivia Jani

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• Journey to the Centre of the Earth - Phil Wang, Ana Ferreira and Chris Jackson

  Brian Cox and Robin Ince slice deep into the lesser-explored world beneath us. To join them on the journey from the crust to the core they are joined by seismologist Ana Ferreira, geologist Chris Jackson and comedian Phil Wang.School children learn about the make-up of the Earth with an image depicting the Earth's core, mantle and crust layered neatly on top of each other, but is this an oversimplification? Our experts reveal that the Earth's innards are less uniform than we might think and mysteries still abound, including the make-up of some continental-sized blobs deep inside the Earth. We learn about the incredible heat and pressure as we descend and why that has limited how far humans have been able to explore these deep realms first-hand. We explore the chemistry of the interactions between the Earth layers and how they influence the formation of continental plates and volcanoes. Phil has an existential crisis about falling inside gaps between the plates but is reassured his worries are unfounded as Ana explains the latest techniques being used to understand the world deep beneath us.Producer: Melanie Brown Executive Producer: Alexandra Feachem Researcher: Olivia Jani

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• Brian and Robin introduce the new series

  Brian Cox and Robin Ince look ahead to the topics and guests you can enjoy in Series 32 of The Infinite Monkey Cage.Listen first on BBC Sounds from Wednesday 19 February, 2025.

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