Applying mild electrical currents to your head could take away pain, help memory and improve attention.
Phantom pain, experienced in missing limbs, tortures amputees and puzzles scientists. Srinath Perur cycles round Cambodia with a man who treats it with mirrors.
Are we asking the right questions about smart drugs? Marek Kohn looks at what they can do for us – and what they can’t.
Brian Bartlett lost his leg at 24. Rose Eveleth hears how a man who just wanted to ski again invented a new kind of knee.
Nic Fleming explores new therapies based on video games in the hope of getting his first glimpse of 3D vision.
When Tal Golesworthy was told he was at risk of his aorta bursting, he wasn’t impressed with the surgery on offer – so he came up with his own idea.
For people who are missing limbs, 3D printing can make new prosthetics – faster, cheaper and better. It could transform mobility for millions around the world, reports Ian Birrell.
In reporting about electrical brain stimulation, Emma Young of course had to try it for herself. Would it change her?
For Vince Clark, immediate pain relief for his son came not from brain-stimulating devices, but something more low-tech.
Sophie de Oliveira Barata and Veronika Pete are making customised prostheses an art.
Could open-source 3D printing revolutionise children’s prostheses? Fathima Simjee reports.
The evolution of prosthetic legs and knees over 500 years, and the innovators behind them.
Graham Pullin on what 20 years of experience has taught him about the design of prostheses.
Replacing one lost leg is challenging, but what about two, three or four?
Barry J Gibb on the approach he took for the film Until.