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Wissenschaft & Technik

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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Folgen von The Life Scientific

332 Folgen
  • Folge vom 26.01.2021
    Giles Yeo on how our genes can make us fat
    Many of us think we’re in control of what we eat and that, coupled with what we do, dictates our shape and size. It’s physics after all - if you eat too much and move too little, you put on weight; do the opposite, and you lose it. Genes, the theory goes, have minimal if any effect on our size.But what if we’re wrong? What if our genes have a powerful influence over how we put on weight, and why many struggle to lose it?Over the past two decades, this once controversial idea has gained acceptance and has inspired the work of Giles Yeo. His research on the genetics of obesity at Cambridge University reveals the powerful ways in which our genes, which function within our brains, influence our eating behaviour.These genes are far better suited to times of food scarcity. Fast forward to the modern diet, packed with sugar and fat, and our genetic makeup quickly becomes a recipe for disaster. Producer: Beth Eastwood
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  • Folge vom 19.01.2021
    Cath Noakes on making buildings Covid-safe
    Professor Cath Noakes studies how air moves and the infection risk associated with different ventilation systems. Early in the pandemic, she was invited to join the government’s Scientific Advisory Group for Emergencies, SAGE and asked to study the transmission routes for Covid-19. In July, together with many other scientists, she urged governments around the world and the World Health Organisation to recognise that Covid-19 could be transmitted in tiny particles in the air, even if the risk of getting infected in this way was much smaller than the risk from larger particles that travel less far. Her research highlights the importance of good ventilation as a way to stop the spread of infection in indoor environments. Being in a well ventilated space can reduce the risk of inhaling tiny airborne pathogens by 70%. Cath talks to Jim Al-Khalili about her journey from studying industrial processes to infection risk, her work on the airborne transmission of diseases and the challenge of designing buildings that are both well ventilated and energy efficient. Producer: Anna BuckleyPhoto credit: University of Leeds
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  • Folge vom 12.01.2021
    Chris Jackson on sustainable geology
    Chris Jackson is the kind of scientist who just loves to get out into the landscape he loves. He’s often introduced as ‘geologist and adventurer’. For the past five years he’s been Professor of Basin Analysis in the Department of Earth Sciences and Engineering at Imperial College London and he’s now about to move back to the University of Manchester, where he studied as a student, to become Professor of Sustainable Geoscience.As a child growing up in Derby, Chris learned to love the outdoors on family trips to the Peak District. Recently, you may have seen him abseiling into a crater of an active volcano in the Democratic Republic of Congo for a BBC TV series. He’s also been telling us about the link between our planet’s geology and climate change as part of the recent Royal Institution Christmas lectures. Chris talks to Jim al-Khalili about working in the oil and gas exploration industry at the start of his career, searching for massive deposits of salt deep inside the earth and his experience of being a black geologist.
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  • Folge vom 15.12.2020
    Scientists in the Spotlight during the Pandemic
    More of us have been exposed to so more science than ever before during 2020. And our insatiable appetite for science shows no sign of diminishing. Back in 2019, most scientists struggled to get any media attention. Now scientists involved in fighting the pandemic are generating headlines almost daily. On top of working harder than ever to further our understanding of the virus, many have become public figures. Some have been caught in the headlights. Others have stepped into the footlights. Many have found themselves at the centre of highly politicised conversations - not something a scientific training prepares you for. And the fact that everyone is now an expert on R numbers and immunology has created a new set of challenges. Jim Al-Khalili explores how The Life Scientific has changed during the pandemic and asks if, during these difficult times, a new relationship between scientists and the media has been forged.We look to science for certainty (all the more so during uncertain times) but there is no magic moment when scientists can announce with absolute certainty that ‘this is how it is’. Now that science is being reported in real time, revealing all the ups and downs on the bumpy road to discovery is there a danger that our faith in science will be undermined. Or could one legacy of the pandemic be a much greater appreciation of the true nature of scientific knowledge and how it’s formed? Has good journalism helped science to progress by synthesising scientific findings and interpreting what they mean? And, when the pandemic is over, will scientists continue to be part of the national debate?Producer: Anna Buckley
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