” The issue: People who walk on both legs rely on constant feedback between their nerves and their brain to get around. But people using a prosthesis don’t have this brain-foot loop, which can make harder to walk confidently. A new bionic prosthesis, developed by researchers from ETH Zurich and the Universities of Belgrade and Freiburg, and described in Nature Medicine today, tries to make it easier for amputees to get around by letting them “feel” surfaces again…”