The Problem With Superchickens

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. For more information on this episode, visit natgeo.com/overheard. 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 Evonomics.com, a website started by one of his former students. And for more on his work, visit davidsloanwilson.world. 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. Learn more about your ad choices. Visit podcastchoices.com/adchoices

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Episoder(160)

Trapped in the icy waters of the Northwest Passage

Trapped in the icy waters of the Northwest Passage

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it...

11 Jul 202334min

Playback: Modern Lives, Ancient Caves

Playback: Modern Lives, Ancient Caves

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view...

4 Jul 202328min

Playback: This Indigenous Practice Fights Fire with Fire

Playback: This Indigenous Practice Fights Fire with Fire

For decades, the U.S. government evangelized fire suppression, most famously through Smokey Bear’s wildfire prevention campaign. But as climate change continues to exacerbate wildfire seasons and a gr...

27 Jun 202329min

Playback: Rooting, from Into the Depths

Playback: Rooting, from Into the Depths

National Geographic Explorer Tara Roberts is inspired by the stories of the Clotilda, a ship that illegally arrived in Mobile, Alabama, in 1860, and of Africatown, created by those on the vessel—a com...

20 Jun 202344min

Playback: Ancient Orchestra

Playback: Ancient Orchestra

Sound on! From conch shells to bone flutes, humans have been making musical instruments for tens of thousands of years. What did prehistoric music sound like? In an episode originally published in Nov...

13 Jun 202328min

Playback: A Skeptic's Guide to Loving Bats

Playback: A Skeptic's Guide to Loving Bats

Blood-sucking villains. Spooky specters of the night. Our views of bats are often based more on fiction than fact. Enter National Geographic Explorer at Large Rodrigo Medellín, aka the Bat Man of Mexi...

6 Jun 202326min

How queer identity shapes Nat Geo Explorers

How queer identity shapes Nat Geo Explorers

Why would a scientist brave the stench of a car full of rotting meat on a 120-degree day? What can a unique whistling language teach us about humans’ connection to the natural world? And how does quee...

30 Mai 202333min

A Mexican Wolf Pup’s Journey into the Wild

A Mexican Wolf Pup’s Journey into the Wild

For centuries, Mexican gray wolves roamed the Southwest. But as cattle ranches spread, wolves became enemy number one, and by the 1970s the subspecies was nearly extinct. But after the Endangered Spec...

23 Mai 202325min

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