OpenAI has signed a $38 billion (£29 billion) deal with Amazon.The seven-year partnership gives OpenAI access to Amazon Web Services. It’s the latest in a string of partnerships necessary to ensure what OpenAI CEO Sam Altman describes as the ‘massive, reliable compute’ needed to scale up AI.Elsewhere, UK scientists have developed a gel that encourages teeth to regrow their own enamel - something long thought impossible. We speak to Professor Alvaro Mata, Chair in Biomedical Engineering & Biomaterials at the University of Nottingham, about how it works and why it’s a breakthrough for oral healthcare.Also in this episode…Victims of ‘silent scandal’ pregnancy drug call for UK inquiryStudy shows walking 5,000 steps a day could slow Alzheimer’s-linked brain declineAmazon rolls out UK’s largest fleet of electric lorriesAre video game developers breaking the law by ‘switching off’ games people have purchased?The campaign calling on parents to get their kids moving this winterCan chimpanzees make rational decisions? Hosted on Acast. See acast.com/privacy for more information.

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