Scientists are pushing the boundaries of what can be achieved with brain-computer interfaces (BCIs) by using brain stimulation to evoke a sense of touch in users of a bionic arm. The device, which ...

It all started with a post to an online forum. Matt Cashman was looking for advice on how to help his brother Ryan get back into weight lifting after losing both hands in an oil rig accident.

When Shota Bitadze returned to the trenches in Ukraine, months after being severely wounded, he attempted to keep the extent of his injuries secret from his comrades. “At first no one knew I was ...