 Dutch man who was paralyzed in a cycling accident has been given the ability to walk again simply by thinking about it. This is thanks to electronic brain implants that wirelessly transmit his thoughts to his legs using a second implant on his spine, instructing his leg muscles to work as needed. When we're talking about brain-computer interfaces, a lot of times we're like, oh man, this sci-fi future, but this is the stuff that excites me. This is Science Done Good.