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PODCAST

The Life Scientific

Professor Jim Al-Khalili talks to leading scientists about their life and work, finding out what inspires and motivates them and asking what their discoveries might do for us in the future

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All Episodes

28:01

Jennifer Doudna

The Life Scientific ·

2017/09/19

Jennifer Doudna's research has transformed biology. And this is not an understatement. Her work has given us the tools to edit genes more precisely than ever before. Her scientific career began with work to understand the actions of RNA, part of the machinery of every cell. But, after a meeting in 2005 with a colleague at the University of California, Berkeley, where Jennifer is currently a professor of chemistry and of molecular and cell biology, she changed her direction of research. Through

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28:15

Tamsin Mather on what volcanic plumes reveal about...

The Life Scientific ·

2017/05/30

To volcanologist Tamsin Mather, volcanoes are more than a natural hazard. They are 'nature's factories', belching out a rich chemical cocktail of gases. It's these gases or 'plumes' that fascinate her the most. She likes nothing more than crouching on a crater's edge collecting a smouldering mix of ash and gases, a clue to what's brewing deep inside.As Professor of Earth Sciences at Oxford University, her work is helping to not only predict when a volcano may erupt, but to understand how volcanoes

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28:09

Tim O'Brien on transient stars and science and music...

The Life Scientific ·

2017/05/23

Tim O'Brien has earned the nickname 'the awesome astrophysicist dude from Jodrell Bank' He is Professor of Astrophysics at Manchester University, and the associate director of Jodrell Bank Observatory, best known for the giant, iconic radio dish of the world-famous Lovell telescope which sits majestically on the Cheshire plain, where he carries out research on the behaviour of transient binary stars called novae. For twenty-five years Tim O'Brien has been telling the public about astronomy, and

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27:52

Ottoline Leyser on how plants decide what to do

The Life Scientific ·

2017/05/16

To the untrained eye, a plant's existence may seem rather uneventful. It spends its days rooted to the spot, seemingly at the mercy of its environment. Not so, plant biologist Ottoline Leyser explains to Jim Al-Khalili. Plants are intelligent creatures that possess a unique ability to adapt in ways we animals can only dream of. They can alter their entire body plan of roots and shoots, when required, in response to their surroundings. Now Director of the Sainsbury Laboratory & Professor of Plant

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27:57

Fay Dowker on a new theory of space-time

The Life Scientific ·

2017/05/09

For a long time Fay Dowker was mathematically precocious, but emotionally uncertain. These days, despite working in an area with few academic allies, she is more confident than ever. Her approach to a Theory of Everything, known as causal set theory, acknowledges the quantum nature of the universe and takes the arrow of time more seriously than Einstein. Bye bye time travel. Fay started her Life Scientific working on the assumption that the texture of the universe was continuous and smooth, with

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28:05

Ann Clarke on The Frozen Ark

The Life Scientific ·

2017/05/02

Tiny tree dwelling snails, partula, were so abundant across French Polynesia that garlands of partula shells would be presented to visitors to the islands. But when immunologist Dr Ann Clarke joined her husband, the late evolutionary biologist Professor Bryan Clarke, on expeditions to research the unique way this species had developed, a study in speciation turned, before their eyes, into a study of extinction. Ann witnessed first-hand the terrifying speed that biological controls, another mollusc

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28:18

Graham MacGregor on tackling the demons in our diet

The Life Scientific ·

2017/04/25

The food we eat is the greatest cause of death and illness worldwide. The main culprits - salt, sugar and fat - are now so embedded in our diet, in the form of processed foods, that most of us consume far too much.Yet Professor Graham MacGregor doesn't believe it's up to us to reverse this situation. It's up to the food industry, he says, who manufacture the processed foods, to take the 'rubbish' out. Now Professor of Cardiovascular Medicine at the Wolfson Institute of Preventative Medicine, Graham

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27:52

Liz Sockett on friendly killer bacteria

The Life Scientific ·

2017/04/18

Professor Liz Sockett studies an extraordinary group of predatory bacteria. Bdellovibrio may be small but they kill other bacteria with ingenious and ruthless efficiency. Liz has devoted the last fifteen years of her career as a microbiologist to work out how this microscopic killer invades and consumes its victims - victims which include a host of disease-causing bacteria which have also acquired resistance to antibiotics which once killed them.As well as studying the numerous tricks and weapons

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28:15

Nick Fraser on Triassic reptiles

The Life Scientific ·

2017/04/11

Nick Fraser regularly travels back in time (at least in his mind) to the Triassic, a crazily inventive period in our evolutionary history that started 250 million years ago. Wherever there are ancient Triassic creatures buried underground, Nick is never far behind; and his 'fossil first' approach to life has been richly rewarded. In 2002, he unearthed a new species of gliding reptile in Virginia, USA. Last year in southern China, he identified the remains of a creature so utterly odd that the

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28:14

Daniel Dennett on the evolution of the human brain

The Life Scientific ·

2017/04/04

Daniel Dennett has never been one to swallow accepted wisdom undigested. As a student he happily sought to undermine the work of his supervisor, Willard Quine. Only one of the most respected figures in 20th century philosophy, a thinker eminent enough to appear on US postage stamps. Later in Oxford, he became frustrated by his fellow philosophers' utter lack of interest in how our brains worked and was delighted when a medical friend introduced him to neurons. And so began an intellectual quest to

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28:15

Alison Woollard on what she has learnt from mutant worms

The Life Scientific ·

2017/02/28

C. elegans is a rather special worm, so-named for the elegant way it moves in sinusoidal curves. It's studied, and much loved, by thousands of scientists around the world. Alison Woollard joined this exclusive club of worm scientists when she moved to the world famous Laboratory of Molecular Biology in Cambridge, also known as 'worm Mecca' in 1995. She started her career working as a lab technician, having dropped out of university. After later graduating from Birkbeck, she worked on yeast. But once

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27:58

Alan Winfield on robot ethics

The Life Scientific ·

2017/02/21

Alan Winfield is the only Professor of Robot Ethics in the world. He is a voice of reason amid the growing sense of unease at the pace of progress in the field of artificial intelligence. He believes that robots aren't going to take over the world - at least not any time soon. But that doesn't mean we should be complacent.Alan Winfield talks to Jim al-Khalili about how, at a young age, he delighted in taking things apart. After his degree in microelectronics and a PhD in digital communication at

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28:18

Simon Wessely on unexplained medical syndromes

The Life Scientific ·

2017/02/14

Professor Sir Simon Wessely has spent his whole career arguing that mental and physical health are inseparable and that the Cinderella status of mental health funding is a national disgrace. His current role, as President of the Royal College of Psychiatrists, has given him a platform to bang the drum for parity of funding, better training for doctors and the need to reduce stigma around mental health (and armchair psychiatrists who think it's OK to diagnose the new American President with a mental

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27:47

Sean Carroll on how time and space began

The Life Scientific ·

2017/02/07

How did time and space begin? From the age of ten, Sean Carroll has wanted to know. He first read about the big bang model of the universe as a child. Later, he turned down two job offers from Stephen Hawking. The big bang model of the universe is well established but, as Sean readily admits, the big bang itself remains a mystery. In the beginning, Sean applied Einstein's theories of relativity to this problem. But mid-career and painfully aware that trying to out Einstein Einstein was a tough call,

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27:56

Alison Smith on algae

The Life Scientific ·

2017/01/31

Think of algae and you'll probably think trouble. Algal blooms turned the diving pool green at the 2016 Rio Olympics. Smelly seaweed ruins many a trip to the beach. But Alison Smith, Professor of Plant Biochemistry at the University of Cambridge, argues that we should appreciate algae more. They range in size from giant kelp to microscopic diatoms. They are found all over the world from the Arctic to the Tropics, live in water and make energy from the sun by photosynthesis. Alison Smith talks to Jim

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28:00

Sadaf Farooqi on what makes us fat

The Life Scientific ·

2017/01/24

Is it true that some people put on weight more easily than others? And if so why? It's a question that's close to many of our hearts. And it's a question that medical researcher, Professor Sadaf Farooqi is trying to answer. In 1997, Sadaf noticed that two children she was studying lacked the hormone leptin. From there, she went on to discover the first single gene defect that causes obesity. For most us, how much we eat is within our control. But for children with this rare inherited condition and,

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28:05

Jan Zalasiewicz on the Age of Man

The Life Scientific ·

2017/01/17

Jan Zalasiewicz, Professor of Palaeobiology at Leicester University, talks to Jim al-Khalili about the Anthropocene, the concept that humans now drive much geology on the earth. He's one of the leading lights in the community of scientists who are working to get the Anthropocene, the Age of Man, recognised.They discuss the controversy about the date of when it began- some say it was a thousand years ago, or the Industrial revolution, others that it was the Second World War, and yet others that it's

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28:14

Michele Dougherty on Saturn

The Life Scientific ·

2017/01/10

The Cassini mission into deep space has witnessed raging storms, flown between Saturn's enigmatic rings and revealed seven new moons. And, thanks in no small part to Professor Michele Dougherty, it's made some astonishing discoveries. For the last twenty years, Michele been responsible for one of the key instruments on board Cassini - the magnetometer. In 2005, she spotted a strange signature in the data during a distant fly by of Saturn's smaller moons, Enceladus and became curious. Now,space

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27:55

Neil de Grasse Tyson on Pluto

The Life Scientific ·

2016/12/20

The US science superstar, Neil de Grasse Tyson grew up in the Bronx, and studied astrophysics at Harvard, Columbia and Princeton Universities before becoming director of the Hayden Planetarium in New York City. But he's best known for his TV and movie appearances, his books, podcasts and his tweets or 'scientific droppings' as he likes to call them. He has over 6 million followers on Twitter and is often credited with turning millennials around the world on to science. Neil tells Jim al-Khalili why

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27:57

Richard Morris on how we know where we are

The Life Scientific ·

2016/12/06

How do we know where we are? The question sounds simple enough. But there's much more to it than simply looking around. Our sense of place is embedded in the very structure of our brains, in such a way that we can remember the exact place we used to play as a child, even if the neighbourhood has been transformed and few of the original visual cues remain. The park you played in as a child may now be full of high rise flats but somehow you know where your favourite tree used to be. Richard Morris has

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