Exploring the biggest questions of our time with the help of the world's greatest thinkers. Host Manoush Zomorodi inspires us to learn more about the world, our communities, and most importantly, ourselves.Get more brainy miscellany with TED Radio Hour+. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/ted
https://www.npr.org/podcasts/510298/ted-radio-hour
#656: Bubblelicious
Things are booming in Silicon Valley. Maybe too booming. But economists say you can't call it a bubble until it goes POP. Today on the show: We find three bubbly barometers that could signal a bust.