Steven Johnson: Why We're Living Longer : TED Radio Hour 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.

Steven Johnson: Why We're Living Longer

Steven Johnson: Why We're Living Longer

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Bret Hartman/Bret Hartman / TED
TED RADIO HOUR: STEVEN JOHNSON
Bret Hartman/Bret Hartman / TED

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.

This episode of TED Radio Hour was produced by Rachel Faulkner and Diba Mohtasham. It was edited by James Delahoussaye and Katie Simon.

Our production staff also includes Sanaz Meshkinpour, Katie Monteleone, Matthew Cloutier, Fiona Geiran, and Sylvie Douglis. Our intern is Margaret Cirino. Our audio engineer is Brian Jarboe.