How humanity doubled life expectancy in a cen...

Black history in the US is rich, profound -- and at risk of being lost forever, if not for the monumental efforts of Julieanna L. Richardson. As the founder of The HistoryMakers -- the largest national archive of African American video-oral history -- Richardson shares some of th ...  Show more

AI education researcher Randi Williams has spent years studying how kids interact with technology and toys, and what she's found should make every parent stop and think. She reveals how, as tech companies embed AI inside toys, children are forming strong emotional bonds with mach ...  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 things n ...  Show more

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

Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period of rapid growth. We're on the cusp of developing new technologies that could entirely change the way people live— and could contribute to unprecedented ...  Show more

The last century saw a revolution in life expectancy. And this revolution will require us to shift what we do at every age and will demand a transformation of every aspect of our society.

Most of us are now expected to live much longer than previous genera ...