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Explorations in the world of science.

  1. قبل ٤ أيام

    The Life Scientific: Tony Juniper

    Tony Juniper is an environmentalist who has worn many hats, over the course of his career. After developing a passion for birds in childhood, his first job saw him working to save endangered parrots - including a successful effort to bring back the Spix's macaw from the edge of extinction. Tony went on to hold leading campaigning roles with some of the world's best known environmental organisations, from Friends of The Earth to the World Wildlife Fund. He also acted as an advisor to King Charles's International Sustainability Unit and co-authored three books with the monarch. Today, Tony has swapped lobbying and campaigning for advising the government, as head of the advisory body Natural England: not without its challenges, but he says they are still outweighed by the positives. Talking to Professor Jim Al-Khalili about his enduring love for nature and hopes for the future, Tony explains his optimism that we can and will recognise the urgent need to protect and restore our planet; and why ultimately, that means saving ourselves.

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    The Life Scientific: Andre Geim

    The world around us is three-dimensional. Yet, there are materials that can be regarded as two-dimensional. They are only one layer of atoms thick and have remarkable properties that are different from their three-dimensional counterparts. Sir Andre Geim created the first-ever man-made 2D material, by isolating graphene, and is one of the pioneers in this line of research. Even beyond his Nobel Prize-winning work on graphene, he has explored new ideas in many different areas of physics throughout his career. Andre tells Jim al-Khalili about his time growing up in the Soviet Union, being rejected from university based on his German ethnicity, his move to Western Europe, and levitating frogs. (Photo: 2010 Nobel Physics laureate Andre Geim during 2019 China Science Fiction Convention, Beijing, 3 November, 2019. Credit: VCG/Getty Images)

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    Genetic dreams, genetic nightmares

    Professor Matthew Cobb looks at how genetic engineering became big business - from the first biotech company that produced human insulin in modified bacteria in the late 1970s to the companies like Monsanto which developed and then commercialised the first GM crops in the 1990s. Were the hopes and fears about these products of genetic engineering realised? Thanks to The State of Things from North Carolina Public Radio WUNC for the interview with Mary-Dell Chilton. (Picture: DNA molecule, Credit: KTSDesign/Science Photo Library/Getty Images)

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    Why Do We Dream?

    Adventures in Dreamland "Why do we dream and why do we repeat dreams?" asks Mila O'Dea, aged 9, from Panama. Hannah Fry and Adam Rutherford delve into the science of sleep. From a pioneering experiment on rapid eye movement sleep, to a brand new 'dream signature' found in the brain, they discover how scientists are investigating our hidden dreamworld. Featuring sociologist Bill Domhoff from the University of California Santa Cruz, sleep psychologist Mark Blagrove from the University of Swansea, and neurologist Francesca Siclari from the University of Lausanne. The Curious Face-Off "Are machines better than humans at identifying faces?" asks the excellently named Carl Vandal. Today’s Face Off leads our intrepid detectives to investigate why we see Jesus on toast, Hitler in houses and Kate Middleton on a jelly bean. Face perception psychologist Rob Jenkins from the University of York explains why we're so good at spotting familiar faces, like celebrities. Plus, Franziska Knolle from the University of Cambridge discusses her face recognition study involving Barack Obama and a group of highly-trained sheep. But are we outwitted by artificial intelligence when it comes to face ID? BBC technology correspondent Rory Cellan-Jones gives us the low-down on the pros and cons of current technology. Picture: Child sleeping, Credit: Quintanilla/Getty Images Producer: Michelle Martin

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    Life on the East Asian Flyway - Part 4: The Arctic

    After flying thousands of kilometres from faraway Bangladesh and New Zealand via the Yellow Sea, the shorebirds of the East Asian Flyway complete their northward migration. They touch down in the Arctic Russia and Alaska to breed. In May and June, birds such as the endangered spoon-billed sandpiper and red knot fill the air of the Russian tundras with their mating calls and display flights. But why travel so far to raise the next generation? Presenter Ann Jones also discovers why Russian and British conservationists are taking eggs from the nests of the spoon-billed sandpiper, the most endangered shorebirds in the world, in a last ditch effort to save the species from extinction. Finally, with the mating season finished and a new generation ready to migrate for the first time, we follow the incredible non-stop flight of nine days by the bar-tailed godwit, as it migrates south from Alaska all the way to New Zealand. The record-breaking species is helped by somehow being able to sense the weather patterns across the entire Pacific Ocean. The series is a co-production from the BBC World Service and Australian ABC Radio National. The sound recordings from Russia and Alaska were provided by the Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. (Photo: Spoon-billed sandpiper chick in Chukotka, NE Russia. Credit: Nicky Hiscock)

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Explorations in the world of science.

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