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A journey through fascinating ideas based on talks by riveting speakers on the TED (Technology, Entertainment, Design) stage.

Manoush Zomorodi investigates the past, present and future of the human lifespan with writer Steven Johnson.

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.

First broadcast in the USA on National Public Radio in 2022.