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Science in Action

Podcast Science in Action
Podcast Science in Action

Science in Action

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5 de 184
  • Ancient warmth in Greenland
    Two-million-year-old molecular fossils reveal flourishing woodlands and widespread animals in Greenland's pre-Ice-Age past, and give hints to the Arctic’s future under global warming. We hear from a molecular palaeontologist and a climate modeller. DNA also reveals the enduring genetic influence of our extinct Denisovan cousins on disease immunity in modern island South East Asians. And the art and science of 3D-printing violins Producer: Roland Pease Assistant producer: Sophie Ormiston (Image: Landscape illustration with three elephants. Credit: Beth Zaiken/bethzaiken.com)
    12/8/2022
    31:11
  • COVID spreads in China
    Hong Kong health expert Professor Malik Peiris relates the lessons from the devastation there earlier this year. UK virologist Dr Tom Peacock reveals the unusual origins and evolution of omicron, and explains the risks of dangerous new variants. New studies from China are revealing further SARS-like viruses in the wild; Professor Eddie Holmes says they underline the risk of further pandemics. (Photo: Kevin Frayer/Getty Images)
    12/1/2022
    34:58
  • A distant planet’s atmosphere
    Nasa's JWST space telescope has unpicked the chemical contents and state of the atmosphere of planet WASP-39b 700 light years away. Astronomer Hannah Wakeford explains. Meteorologist Laura Wilcox warns that atmospheric haze over China and South Asia is masking some of the effects of global warming. Loss of memory and other mental changes during pregnancy have been traced to structural changes in the brain, possibly due to hormone effects. Neuroscientist Elseline Hoekszema speculates. Improving lab coats - every scientist has a lab coat, but how many have one actually fits? Founder of Genius Lab Gear Derek Miller explains the problem and how he's trying to fix it. Producer: Roland Pease Assistant producer: Sophie Ormiston (Photo: View of Earth from space. Credit: Melissa Weiss/Center for Astrophysics/Harvard and Smithsonian)
    11/24/2022
    28:04
  • Online harassment of Covid scientists
    Since the Covid-19 pandemic began, scientists studying the virus have become targets of online harassment, and more recently, death threats. Roland speaks to Dr Angela Rasmussen, virologist at the Vaccine and Infectious Disease Organization at the University of Saskatchewan, about her experiences. Spyros Lytras, PhD candidate at the University of Glasgow, talks Roland through the evolutionary history of the virus that causes Covid-19 and how there isn’t just one ancestor, but several. Anti-Asian sentiment has seen a big increase since the pandemic. Dr Qian He, Postdoctoral Research Associate at Princeton University, looked into how US-China relations have influenced how Americans view Chinese today. And we hear from scientists on board the RRS Discovery, which is currently located near St Helena and Ascension Island, surveying the health of the surrounding ocean. On board, documentary film-maker Lawrence Eagling, talks to Shona Murray, pelagic ecologist from the University of Western Australia, and Gareth Flint, mechanical engineer at British Antarctic Survey, about their work and findings. (Photo: A scientist stands behind testing kits and checks his phone. Credit: Getty Images) Producer: Roland Pease Assistant producer: Sophie Ormiston
    11/17/2022
    27:16
  • Neurons that restore walking in paralysed patients
    Researchers have identified which neurons, when electrically stimulated, can restore the ability to walk in paralysed patients. Professor Jocelyne Bloch, Associate Professor at the Université de Lausanne, tells Roland how the technology works. Astronomers have discovered the closest black hole to Earth. Researchers led by Kareem El-Badry, astrophysicist at Harvard University, identified the celestial body when they spotted a Sun-like star orbiting a dark, dense object. The origins of eels have been mystifying scientists for centuries. Though the Sargasso Sea has been their presumed breeding place for 100 years, there has been no direct evidence of their migration – until now. Ros Wright, Senior Fisheries Technical Specialist at the Environment Agency, shares how researchers finally pinned down these slippery creatures. This week, a new report from the UN Environment Programme reveals that carbon dioxide emissions from building operations have reached an all-time high. Insaf Ben Othmane, architect and co-author of the report, talks through the risks and opportunities this poses for Africa and why there is still hope for the future. Producer: Roland Pease Assistant Producer: Sophie Ormiston (Photo: Patient with complete spinal cord injury (left) and incomplete spinal cord injury (right) walking in Lausanne. Credit: Jimmy Ravier/NeuroRestore)
    11/10/2022
    30:37

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