The TED Radio Hour is a journey through fascinating ideas: astonishing inventions, fresh approaches to old problems, new ways to think and create. Based on Talks given by riveting speakers on the world-renowned TED stage, each show is centered on a common theme – such as the source of happiness, crowd-sourcing innovation, power shifts, or inexplicable connections. The TED Radio Hour is hosted by Guy Raz, and is a co-production of NPR & TED. Follow the show @TEDRadioHour.
July 3rd, 2014
Episode 46 of 139 episodes
Gazing up at the night sky is simultaneously humbling and utterly thrilling. This hour, we’ll hear from TED speakers who share an infectious sense of wonder and curiosity about our place in the universe and what lies beyond our skies. Phil Plait breaks down how we can defend Earth from an asteroid. Jill Tarter of the SETI Institute explains why it’s crucial for humans here on earth to continue searching for sentient beings in the cosmos. Physicist Brian Greene unravels the strange tale of dark matter and why our universe may be one of many in the “multiverse.”