Podcast:TED Radio Hour Published On: Fri Sep 06 2019 Description: The past few years have ushered in an explosion of new discoveries about our universe. This hour, TED speakers explore the implications of these advances — and the lingering mysteries of the cosmos. Guests include theoretical physicist Allan Adams, planetary scientist Sara Seager, and astrophysicists Natasha Hurley-Walker and Jedidah Isler.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy