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PODCAST

Discovery

An in-depth look at the most significant ideas, discoveries and trends in science, from the smallest microbe to the furthest corner of space. Podcast weekly on Mondays.

science

All Episodes

27:54

Edward Witten

Discovery ·

2024/01/01

The Life Scientific returns with a special episode from the USA; Princeton, New Jersey, to be precise. Here, the Institute for Advanced Study has hosted some of the greatest scientific minds of our time - Einstein was one of its first Professors, J. Robert Oppenheimer its longest-serving director - and today's guest counts among them. Edward Witten is Professor Emeritus at the Institute and the physicist behind M-Theory, a leading contender for what is commonly referred to as ‘the theory of

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28:47

What's stopping us from exercising in older age?

Discovery ·

2023/12/25

Exercise in older age is high on the agenda, but the idea that with age comes bags of time and a desire to ‘get out there’ isn’t true for a lot of us. How do you juggle exercise around caring for partners, grandchildren or staying in work? What if you haven’t exercised for years? What can your body take, and how has it changed with age? James Gallagher hears how octogenarian athlete ‘Irongran’ keeps going, he explores the mental and physical barriers that stop us

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28:57

When does sitting become bad for health?

Discovery ·

2023/12/18

How many hours do you spend sitting down per day? Six? Maybe eight? Or 10? Between commuting, working and relaxing, sitting can soon add up to hours and hours. James Gallagher delves into the science to find out exactly how much sitting is too much; when does it become worrying for our health? James visits a lab to explore what prolonged sitting does to the body and he’ll find out whether there’s anything you can do to offset the effects of sitting a lot. We’ll hear about the

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51:48

Putting the Mouth Back into the Body

Discovery ·

2023/12/12

A look at the evidence that links the health of our mouths with the rest of our bodies.

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29:35

Tooth and Claw: Cheetahs

Discovery ·

2023/12/11

Adam Hart investigates the fastest land animal in the world – the cheetah! Built for high-speed chases, these spotted cats are slender, with semi-retractable claws for good grip and a flexible spine plus a long tail for balance and manoeuvrability. Cheetahs rely on speed over brute strength when hunting – and can make tight, quick turns to shift course in fast pursuit of their prey. But with shrinking populations cheetahs are classified as vulnerable – so what’s being done in

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28:12

Tooth and Claw: Piranhas

Discovery ·

2023/12/04

Adam Hart investigates a frenzied and voracious fish from South America – the piranha! Said to be able to strip their prey to the bone in mere minutes, there are plenty of gruesome tales about the bubbling bloodbaths that occur when shoals of these hardy fish feed in the freshwaters across South America - from up in Venezuela in the Orinoco River, to the Amazon and down to the Paraná River in Argentina. What role did former United States President Theodore Roosevelt have in creating the

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27:43

Tooth and Claw: Great White Sharks

Discovery ·

2023/11/27

Adam Hart investigates the most famous and feared predator in all the ocean – the great white shark! With rows of large, serrated teeth, it’s often thought of as a ferocious man-eater and was the villain of the film Jaws – which frightened a generation of beachgoers. This star of the silver screen may be the subject of fascination and fright for many, but is it really the ultimate predator of the ocean as Hollywood has led us to believe?Adam hears what it’s like to see these

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27:31

Tooth and Claw: Wolverines

Discovery ·

2023/11/20

Adam Hart investigates the largest terrestrial member of the weasel family – the wolverine. They’re far more than just a superhero played by Hugh Jackman! With a reputation for gluttony and ferocity, these solitary killers use snowstorms to hunt much larger prey. Found in the snowy tundra and boreal forests of the Northern Hemisphere, their future looks uncertain – they've come into conflict with Scandinavian farmers by hunting their reindeer and are threatened by climate change in

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27:31

The Life Scientific: Alex Antonelli

Discovery ·

2023/11/13

With the world's biodiversity being lost at an alarming rate, Alexandre Antonelli, Director of Science at the Royal Botanic Gardens, Kew, has made it his life's mission to protect it. He is a bio-geographer revealing how changes to the Earth's landscape, such as the formation of mountain ranges and rainforests, leads to the evolution of new species and causes plants, fungi and animals to move around the world.His work is a masterclass in joined-up thinking, bringing together different fields of

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27:57

The Life Scientific: Paul Murdin

Discovery ·

2023/11/06

Astronomer Paul Murdin believes a good imagination is vital for scientists, since they're so often dealing with subjects outside the visible realm. Indeed, over a long and successful career his imagination has taken him on a journey through space, discovering various new and unusual celestial occurrences - notably the first successful identification of a black hole, Cygnus X-1. Paul tells Jim Al-Khalili how he spent much of his career at the Royal Greenwich Observatory, working with astronomers

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27:57

The Life Scientific: Bahija Jallal

Discovery ·

2023/10/30

Some of the most complex medicines available today are made from living cells or organisms - these treatments are called bio-pharmaceuticals and in this episode of The Life Scientific Dr Bahija Jallal, CEO of Immunocore, shares her story of leaving her home in Casablanca, Morocco to become a world leader in developing bio-pharmaceutical cancer treatments. She tells Professor Jim Al-Khalili that she has always found herself ahead of the curve. When she began in oncology, the study of cancer, the

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28:07

Chris Barratt

Discovery ·

2023/10/23

Reproductive science has come a long way in recent years, but there's still plenty we don't understand - particularly around male fertility. The reliability and availability of data in this field has become more of a concern in light of a study published this year, suggesting that sperm counts worldwide have dropped 62% in the past 50 years. As yet there is no clear answer as to why that is. Professor Chris Barratt is one of the scientists working to change that. He's the Head of Reproductive

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28:07

Gideon Henderson

Discovery ·

2023/10/16

We’re used to hearing the stories of scientists who study the world as it is now but what about the study of the past - what can this tell us about our future? Gideon Henderson’s research focuses on trying to understand climate change by looking at what was happening on our planet thousands of years ago. His work has taken him all around the world - to the deepest oceans and the darkest caves - where he collects samples containing radioactive isotopes which he uses as

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28:20

Deborah Greaves

Discovery ·

2023/10/10

If you’ve ever seen the ocean during a storm, you’ll understand the extraordinary power contained in waves. On an island nation like Britain, that power could well be harnessed to produce clean energy; so why have we barely begun to tap this bountiful resource? Deborah Greaves is trying to change that. As Professor of Ocean Engineering at the University of Plymouth, she combines physical wave tanks with sophisticated computer modelling to test how well wave power devices respond to

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28:04

Metamorphosis: Bee brains and the cockroach

Discovery ·

2023/10/02

Erica McAlister on the bee intellect and whether bigger brains are always better. Plus cockroaches may be reviled by many people, but Erica discovers the extraordinary flexibility of their simple nervous system led to the birth of neuroendocrinology. (Photo: A cockroach. Credit: Aymen Jemli / Getty Images)

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50:50

The Evidence: Is the world becoming more allergic?

Discovery ·

2023/10/02

What are allergies and what is the purpose of them? What can we do to try and prevent them? And what are the best ways of accurately and safely diagnosing them?

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28:11

Metamorphosis: Soldier fly and desert beetle

Discovery ·

2023/09/25

Erica McAlister on the innocuous wasp-like black soldier fly, a crown jewel of a fast-growing insect farming industry that's addressing the urgent need to find cheap clean protein. And how Namib Desert beetles have evolved in a very special environment, where the only source of water exists in the air. (Image: Desert beetle in Namib desert. Credit: Martin Harvey/Getty Images)

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27:13

Metamorphosis: Blowflies and Dazzling disguise

Discovery ·

2023/09/18

Blowflies may be some of the most reviled insects on the planet, but as Erica McAlister discovers, they are central to the surprisingly long tradition of forensic entomology and how there's more than meets the eye in the distinctive structural colour of the morpho butterfly wing, whose dazzling sheen is a key for camouflage and commerce. (Photo: A fly on a leaf. Credit: Christina Bollen / Getty Images)

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28:37

Metamorphosis: Drosophila melanogaster, hoverfly

Discovery ·

2023/09/11

Dr Erica McAlister uncovers a treasure trove of remarkable insights from the insect world including the innocuous flies that are Drosophila melanogaster. More is known about these flies than any other animal on the planet, as a model for human genetics. And the hoverfly that arguably undergoes the biggest transformation of any animal and how insect metamorphosis could be a tool to track future climate change.

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27:16

Metamorphosis: Jumping Fleas and Mighty Mouthparts

Discovery ·

2023/09/04

Dr Erica McAlister uncovers a treasure trove of remarkable insects from the humble flea whose jump enables them to fly without wings and the mystery of the hawkmoth’s tongue, whose varying length has offered the simplest and most effective proof of Charles Darwin's theory of Natural Selection in action.

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64 results

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