Avi Loeb is a Harvard astronomer who argues that we’ve already encountered extraterrestrial technology. His approach to the search for interstellar objects is scientific, but how plausible is his argument?
You want to listen to Freakonomics Radio? That’s great! Most people use a podcast app on their smartphone. It’s free (with the purchase of a phone, of course). Looking for more guidance? We’ve got you covered.
Stay up-to-date on all our shows. We promise no spam.
