Cover art for podcast Overheard at National Geographic

Overheard at National Geographic

154 EpisodesProduced by National GeographicWebsite

Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.


The Problem With Superchickens

Scientists recently discovered a fascinating paradox: when they bred together superproductive, egg-laying hens, they found the chickens produced fewer eggs. We examine what went wrong with these so-called superchickens, and we look at human examples of this phenomenon—a high school Model UN team and a retail giant.

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Want more?

David Sloan Wilson’s theories on competition and cooperation go far beyond superchickens. Take a look at an article he wrote about rethinking economics on, a website started by one of his former students. And for more on his work, visit

Plus, retail has been through a lot over the last 50 years. To learn more about that world from the inside, check out his book, Remarkable Retail: How to Win and Keep Customers in the Age of Disruption, and his podcast, the Remarkable Retail Podcast. And read a Bloomberg article that goes into detail about what happened at Sears.

Also explore:

Darwin transformed the world with his evolutionary theories. He also got a lot wrong. To learn how modern science is building on his work, see our article on the subject.

For subscribers:

Evolution hasn’t stopped, but it is changing. Discover how humans are using technology to shape their own evolution in our article.

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