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Shiona McCallum meets the medical expert testing out the future of prosthetics following his own near-fatal cycling accident.

Paul Carter heads inside Amazon's AI chip lab in Austin, Texas.

Zoe Kleinman visits the UK Dementia Research Institute to see how AI is being used to improve diagnosis and help find treatments.

Harriet Bradshaw finds out how gym equipment is being invented and tested to help astronauts exercise in space.