Under Construction: Has the Kepler Probe Detected Alien Megastructures?

Somewhere between Cygnus the Swan and Lyra the Harp sits a star with a big secret. A whole lot of something is orbiting that star, and it is unlike anything astronomers have seen before. Is it possible that we have stumbled upon the ruins of a  Dyson Sphere -- or one that's under construction?

Hosts Phil Bowermaster and Stephen Gordon discuss this and other amazing developments:

Daimler puts a self-driving truck on the autobahn.

Have gene scientists figured out a way to double life span?

Plus a favorite old topic: is it time to replace guns with something not so lethal?

Tune in and explore.