Original broadcast date: October 29, 2021. What does it take to deliver a message, precious cargo, or vaccines — meant for exactly the right place in our bodies? This hour, TED speakers explore the often perilous journey of crucial deliveries. Guests include theater director Amir Nizar Zuabi, astrophysicist Erika Hamden, chemical engineer Kathryn Whitehead, and entrepreneur Keller Rinaudo.<br/><br/>Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a><br/><br/><a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

Friction

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