Our friends at NPR's TED Radio Hour podcast have John Caldwellbeen pondering some BIG things — specifically, the connection between our physical, mental, and spiritual health. In this special excerpt, what if you could control a device, not with your hand, but with your mind? Host Manoush Zomorodi talks to physician and entrepreneur Tom Oxley about the implantable brain-computer interface that can change the way we think.

Keep an eye on NPR's TED Radio Hour podcast feed the next few weeks, as they unveil the series.

This segment of the TED Radio Hour podcast was produced by Andrea Gutierrez. It was edited by Sanaz Meshkinpour and Manoush Zomorodi. Mathew Cloutier produced the feed drop of this segment. Neil Tevault was the audio engineer.