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Lois, 14, and her classmates used a 3D printer to create her new hand as part of a school project. Now they want to make prosthetic limbs for other people who need them, using the same method. Also: We find out how a new drug is transforming the lives of children with a severe form of epilepsy. A trial found it significantly reduced their seizures and also helped with overall development and movement. We meet two Turkish students using AI to help locate people trapped under rubble after earthquakes. They hope their invention will help rescuers reach survivors more quickly. Plus the teams working to save seagrass meadows, which are vital in tackling climate change. And the Harajuku dog walking man - who's become famous for leading dozens of small dogs around Tokyo. Presenter: Holly Gibbs Music: Iona Hampson Photo: Nature School
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