Startalk All-stars

Astrobiologist David Grinspoon and his guest, Hugo Award-winning sci-fi author and scientist David Brin weigh the pros and cons of attempting to contact extraterrestrials (METI). Plus, Chuck Nice asks the pair Cosmic Queries about what we’ll do if aliens find us. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.