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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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Folgen von The Life Scientific

321 Folgen
  • Folge vom 01.06.2021
    Tamsin Edwards on the uncertainty in climate science
    Certainty is comforting. Certainty is quick. But science is uncertain. And this is particularly true for people who are trying to understand climate change.Climate scientist, Tamsin Edwards tackles this uncertainty head on. She quantifies the uncertainty inherent in all climate change predictions to try and understand which of many possible storylines about the future of our planet are most likely to come true. How likely is it that the ice cliffs in Antarctica will collapse into the sea causing a terrifying amount of sea level rise? Even the best supercomputers in the world aren’t fast enough to do all the calculations we need to understand what might be going on, so Tamsin uses statistical tools to fill in the gaps. She joined the International Panel on Climate Change (IPCC) in 2018 and is currently working on the 6th Assessment Report which will inform the 2021 United Nations Climate Change Conference, COP26. She tells Jim Al-Khalili about her life and work and why she wishes more people would have the humility (and confidence) to consider the possibility that they might be wrong.Producer: Anna Buckley
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  • Folge vom 25.05.2021
    Mike Tipton on how our bodies respond to extreme conditions
    As the craze for cold water swimming continues, Jim Al Khalili talks to triathlete and Professor of Extreme Physiology, Mike Tipton. Is it as good for our mental and physical health as many enthusiasts claim? And do the benefits go beyond a rush of adrenaline causing feel good endorphins to be released in our brains?Mike studies why people drown. He wants to understand the precise physiological changes that occur when we expose ourselves to extreme environments and to use that information to help save lives. (Shivering and sweating will only get you so far when it comes to temperature control). Most deaths at sea are caused by the initial cold water shock response, not hypothermia. People gasp for air and swallow lethal quantities of water. So is it a case of kill or cure for cold water swimmers? What does the scientific evidence say about the idea that repeated cold water immersion can boost our immunity and have an anti-inflammatory effect? Mike tells Jim how he came to specialise in this area of science and why he believes we should all be challenging our bodies more. Producer: Anna Buckley
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  • Folge vom 18.05.2021
    Nira Chamberlain on how mathematics can solve real-world problems
    When does a crowd of people become unsafe? How well will Aston Villa do next season? When is it cost-effective to replace a kitchen?The answers may seem arbitrary but, to Nira Chamberlain, they lie in mathematics. You can use maths to model virtually anything.Dr Nira Chamberlain is President of the Institute of Mathematics and its Applications, and Principal Mathematical Modeller for the multinational engineering company SNC-Lavalin Atkins.He specialises in complex engineering and industrial problems, creating mathematical models to describe a particular feature or process, and then running simulations to better understand it, and predict its behaviour.Nira is one of just a handful of esteemed mathematicians, and the first black mathematician. to be featured in ‘Who’s Who’, Britain’s book of prominent people.Since 2018, he’s made the Black Power List, which celebrates the UK’s top 100 most influential people of African or African-Caribbean heritage, ranking higher than Stormzy and Lewis Hamilton when he was first listed. Proof, he says, that maths really is for everyone.PRODUCER: Beth Eastwood
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  • Folge vom 11.05.2021
    Helen Scales on marine conservation
    Luminescent bone-eating worms, giant squid and a sea cucumber commonly known as the headless chicken monster: some extraordinary creatures live at the bottom of the sea. For a long time almost everyone agreed the pressure was too intense for any life to exist. Now, it seems, the more we look the more new species we find. But, many fear, marine life would be threatened if plans to extract precious metals from the potato-sized metallic nodules that grow on the seabed are allowed to go ahead. Metals such as copper, manganese and cobalt are in high demand in the manufacture of mobile phones and renewable energy technologies, such as batteries for electric cars, wind turbines and solar panels. Deep sea mining companies argue that we will need these metals to create a carbon Net Zero economy. Meantime, the World Wildlife Fund is pushing for a moratorium on deep sea mining. And several companies agree: including Google, BMW, Volvo and Samsung. Do we need to choose between green and blue? Or is there a third way that protects both the planet and all the riches in our oceans?Marine biologist, Helen Scales talks to Jim Al-Khalili about her life and work: fish watching off an atoll in the South China Sea to assess the extinction risks to the Humphead Wrasse and a research expedition to explore the brilliant abyss. And she warns of the environmental devastation that could be caused if plans to mine the metals on the bottom of the ocean were to be allowed to go ahead. Producer: Anna Buckley
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