Short Wave

You might have seen the news that Christa Pike, a convicted murderer in Tennessee, did not die from the injections given to her as part of her death penalty sentence last week. After her failed execution, she was hospitalized, where she continues to receive critical medical care, according to her attorneys. Her survival is singular, but her mishandled execution is not. A review of executions carried out between 1890 and 2010 indicated that three out of every hundred executions were botched – and that lethal injection executions, which began in 1982, have a more frequent incidence of complications than any other method. All of this has re-raised the question of how humane lethal injections are as a form of execution. So, today on the show, we speak to anesthesiologist Gail Van Norman, a medical expert who testified about Christa’s case and many other lethal injection executions. She told us how she and other experts predicted much of how Christa's execution would unfold.

Read a perspective piece from one of the seven media witnesses to last week's failed execution.

Interested in more science and criminal justice stories? Email us your question at shortwave@npr.org.
   
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We’re all aware – and wary – of doomscrolling. Lots of screen time can be bad for us. But what if that’s not always the case? We spoke with the author of a study that found a positive relationship between screen time and brain development in young people. This episode, we sort through what to actually worry about when it comes to screen time – and what guidelines already exist that can empower you and the kids in your life.

Interested in learning more about how screen time affects your brain? Email us your question at shortwave@npr.org.

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We’re easing you into Halloween season with an episode about bats. There’s a silent serial killer decimating little brown bats as they hibernate. White nose syndrome has driven populations across the U.S. to almost the brink of extinction over the last decade. But recently, conservation biologist Giorgia Auteri and her team noticed several genetic mutations in the survivors. These mutations could explain how natural selection has shifted the existing population – and inform conservation efforts in the future.

Interested in more animal science? Email us your question at shortwave@npr.org.

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Being more social has a ton of benefits: lower stress, decreased inflammation – even living a longer life! Recently, some scientists have added lowering your blood sugar to the list. To figure it out, researchers had people break bread both in duos and alone. And they think the results could tell us something about the roots of our social nature. Consider it another reason to prioritize our social lives. 

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If you, like us, clicked on the cute cat photos posted everywhere recently, announcing the discovery of the first new cat species in more than a century, you might have wondered how rare it is to find a new species. Turns out, it’s not! We live in an era of “unprecedented” discovery, says John Wiens, a professor of ecology and evolutionary biology at the University of Arizona. And scientists say we’re still just scratching at the surface of how much life exists on Earth.   

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