Are implanted brain chips the future?

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Elon Musk’s implanted brain chip, Neuralink, is coming to the UK for clinical trials. Is controlling computers with our minds a future reality or is it all hype? Neuroscientists Dean Burnett and Christina Maher weigh in. Zoologist Jules Howard ponders the strange effects drugs in our sewage have on frogs from his garden pond. How do we measure the distance to distant galaxies? Astrophysicist Edward Gomez answers a listener's burning question. And a 101 on blood groups from Dr Lise Estcourt. Presenter: Marnie Chesterton Producers: Ella Hubber, Gerry Holt, Sophie Ormiston Editor: Martin Smith Production Co-ordinator: Jana Bennett-Holesworth BBC Inside Science is produced in collaboration with the Open University.