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A weekly programme that illuminates the mysteries and challenges the controversies behind the science that's changing our world.

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553 Folgen
  • Folge vom 01.09.2022
    Shaun The Sheep Jumps Over The Moon, Bronze Age Kissing and PPE Rubbish
    ESA announce that Shaun The Sheep will fly around the moon this month aboard Artemis-1 mission. Philippe Deloo tells Gaia Vince what's in store for the woolly astronaut this month. Philippe is the team lead on the European Service Module, the part of NASA's Orion spacecraft which will be the workhorse of the new moon missions, ferrying four astronauts at a time to the moon and perhaps even beyond one day. This first Artemis mission, slated for launch 29th August, will check all the engineering bravado of the new launch and orbital systems ready for subsequent human passengers in a couple of years.Christiana Scheib, of the Universities of Cambridge and Tartu, is part of a team who seem to have pinpointed in time the moment the Herpes virus that causes cold sores first spread across human populations. By obtaining genomes of HSV1 from four individuals who died between the iron age and medieval times, their analysis suggests an initial emergence sometime in the Bronze age. The intriguing hypothesis that accompanies the discovery is that the variant's emergence was facilitated by a new trend among bronze age folk of romantic kissing. But as she describes, it's hard to be certain for "there is no gene for kissing".One way of restricting the spread of many viruses is of course various forms of PPE. The last few years have seen billions more items of PPE used on our planet, often without a clear plan for their disposal, and they get accidentally dropped and even deliberately dumped all over the world. Alex Bond of the Natural History Museum at Tring observes and catalogues rubbish affecting wildlife. He took the BBC's Victoria Gill on a walk down a canal in Salford to discuss the issues with the tissues.Presented by Gaia Vince Produced by Alex Mansfield
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  • Folge vom 25.08.2022
    Heatwave: the consequences
    The severity of last week's heatwave is changing the narrative. Gaia Vince talks to Simon Evans, deputy editor of the climate publication Carbon Brief, who has been following the media coverage of this heatwave, and Lorraine Whitmarsh, professor of environmental psychology at the university of Bath. What has the recent hot weather done to the plants in our gardens, and the crops in our fields? Dr Nicola Cannon from the Royal Agricultural University in Cirencester tells us the low-down. Expect your potatoes to get more expensive this autumn. The RHS want to know about how the heatwave has affected YOUR garden. You can help science by answering on this survey https://www.surveymonkey.co.uk/r/NVNH5FN What if we could use all the excess heat from summer, and store it to heat our homes in winter. It's something a team in the Netherlands and Austria have been looking at, using a thermochemical battery. Wim van Helden from AEE Institute in Gleisdorf in Austria explains how they made a prototype, and what the stumbling blocks are to widespread use of their system.Is this thermal battery the holy grail of heat supply? We run it, and other options, past Michael de Podestra. An ex-measurement scientist at the National Physics Laboratory until his retirement two years ago, he has since become an expert in retrofitting his house to try and make it carbon-neutral.
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  • Folge vom 18.08.2022
    Multiverses, melting glaciers and what you can tell from the noise of someone peeing
    The Multiverse Laura Mersini-Houghton is an internationally renowned cosmologist and theoretical physicist and one of the world's leading experts on the multiverse and the origins of the universe. She talks to Gaia Vince about finding evidence that supports her multiverse theory as more than just a hypothetical collection of diverse universes, including the one that houses our planet. She also shares her story of growing up with the horrors of a brutal Albanian communist regime.Glacier Collapse In Italy this month eleven people were killed when Marmolada glacier collapsed. A few days later, hikers recorded another huge glacier collapse in Kyrgyzstan. Is there any way of monitoring glaciers to give us a warning of these events? Glaciologist Liam Taylor, a researcher at Leeds University explains to Gaia our options for monitoring vulnerable glaciers, and why a black spot in those observations is about to open up.Pees and queues. Lower urinary tract symptoms are common and affect an estimated 60% of men and 57% of women. These can be detected using a gadget called a uroflowmetre, but patients often face delays getting to clinics to use one. Dr Lee Han Jie and Professor Ng Lay Guat, with colleagues at Singapore General Hospital and the Singapore University of Technology and Design have developed an artificial intelligence algorithm that is trained to listen to patients pass urine. From just the noise of peeing, the AI is able to identify abnormal flows and could be a useful and cost-effective means of monitoring and managing urology patients at home. Heatwave Records Richard Betts from the Met Office explains why the official highest temperature is only 40.3C, whereas many of us have clocked temperature in the mid forties in our cars and on patios.
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  • Folge vom 11.08.2022
    Deep Space and the Deep Sea - 40 years of the International Whaling Moratorium.
    The James Webb Space Telescope is finally in business - what further treasures will it find? Also, the origins of the International Moratorium on Whaling, 40 years old this month.This week NASA invited President Joe Biden to help them publish the first of five images of full scientific value from the newest super telescope now operating a million miles away from us. It is capable of gazing as far deep into the sky as humans have ever gazed. That first image, an upgrade of one of the Hubble Telescope's "Deep Field" shots from some years ago, shows some of the oldest matter ever seen, including light distorted into smudges and whorls by the gravitational field of galaxies in line of sight from us, much nearer and younger than the light being bent around them.The other images show even more of what the telescope is capable of seeing. Dr. Stefanie Milam of Nasa's Goddard Space Flight Centre in Maryland, US and BBC Science correspondent Jonathan Amos talk to Gaia about this new, exciting phase in astronomy.This month marks 40 years since the International Whaling Commission decided to pursue a moratorium on commercial whaling. Many whales are still struggling, but scientists have seen several species recover since then. The moratorium followed campaigning in the 1970s by such groups as Greenpeace, and even the commercial success of audio recordings of humpback whales, released by Drs. Roger and Katy Payne. Greenpeace co-founder Rex Weyler describes to Gaia the motivations behind the original Save the Whale campaign, and some of his memories of intercepting a Russian whaling ship in 1975.Since 1982, cetacean science has come a long way, and scientists know far more about whale's behaviour, vulnerabilities and interaction with ocean climate and ecosystems than we did back then. Dr. Asha De Vos of the University of Western Australia describes the science, including some recent findings on the continued perils of anthropogenic noise to these giants of the deep.Presenter Gaia Vince Assistant Producer Joleen Goffin Produced by Alex Mansfield
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