Probably ever since our ancestors conquered fire and the wheel, the human body and technology have intersected. Today, that means a lot of sitting at computers and looking at screens. So what does that mean for our health and today’s workforce? That’s a subject you have heard explored often on the TED Radio Hour Tuesdays at 1 p.m. on WAMC. Now, TED host Manoush Zomorodi has launched a new podcast called “Body Electric,” a special six-part series that also includes a research component from Columbia Medical School.