How humanity doubled life expectancy in a cen...

Could exposing kids to their fears help them thrive later on in life? Exploring the science of exposure therapy, pediatric psychologist Kathryn Hecht shows how encouraging children to handle discomfort builds confidence and resilience. Through personal stories and practical strat ...  Show more

After decades working in technology across both the US and China, Alvin W. Graylin sees three possible paths for the future of AI: one where tech giants create a class of trillionaires, one where competition escalates into war or one where humanity builds and shares this technolo ...  Show more

Doubling human life expectancy in a century is our greatest achievement, says author Steven Johnson. How did we make it happen -- and can we keep it going? Backed by fascinating historical anecdotes, he shares some life-lengthening innovations and reminds us of three key thing ...

In the last century, human life expectancy has doubled. This hour, we talk with writer Steven Johnson on the many breakthroughs that made this possible — and where we go from here. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy 

Over the past century, the average human lifespan has doubled. That astonishing statistic is the subject of a new book and PBS series by acclaimed science writer Steven Johnson called “Extra Life: A Short History of Living Longer.” In this episode, he tells Rufus about the renega ...  Show more

Original broadcast date: March 22, 2022. In the last century, human life expectancy has doubled. This hour, we talk with writer Steven Johnson on the many breakthroughs that made this possible — and where we go from here. Learn more about sponsor message choices: podcastchoices.c ...  Show more