Short Wave

In the mid-1970s, primatologist Jane Goodall witnessed something that changed her opinion of chimpanzees forever: A four-year conflict amongst the chimpanzees she was studying in Tanzania. Chimpanzees that knew each other started killing each other. It was essentially the primate equivalent of a civil war. And now, it’s happening again: Fighting within the largest known community of chimpanzees. NPR science correspondent Nate Rott helps us break down what’s going on and what it could tell us about how human communities can fall apart. 

Read all of Nate’s story here. 

Interested in more science? Email us your question at [email protected].

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Earth didn’t always have a moon. In the beginning of the solar system, when the planets were still forming, something happened that would change Earth’s night sky forever: The Moon was created!

How did it happen? This episode, co-host Regina G. Barber searches for answers with planetary scientists. With co-host Emily Kwong, they discuss how the moon was likely made, how scientists know and what that might mean for where Earth’s water came from.

Check out Regina's reporting on hydrothermal vents.

Interested in more planetary science? Email us your question at [email protected].

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A previous version of this episode mischaracterized a scientific hypothesis. The episode incorrectly said the idea is that hydrothermal vents may have been the origin of water on Earth. In fact, the hypothesis is that life may have come from hydrothermal vents.

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Eating disorders are complicated illnesses that skyrocketed among teenagers during the COVID-19 pandemic. Pediatrician Eva Trujillo says they "literally rewire the brain," decrease brain size, and make it harder to concentrate and to regulate emotions. Malnutrition can slow the metabolism, impact bone density and even lead to cardiac arrest. But Eva says, with the right treatment, people can also recover fully. She's the president of the International Association of Eating Disorder Professionals and co-founder of Comenzar de Nuevo, a leading treatment facility in Latin America. Today on the show, host Emily Kwong talks about the physical and mental impacts of eating disorders with Dr. Trujillo and Moorea Friedman, a teen mental health advocate and host of the podcast Balancing Act. Plus, how to recover in a world steeped in diet culture. (encore)

Want us to cover more mental health topics? Tell us by emailing [email protected]! We'd love to know what you want to hear from us!

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For residents of Prek Touch, Cambodia — right on the banks of the Mekong River — flooding is a regular part of life. But as those floods worsen due to climate change, it’s getting harder to adapt. Along with other flood-prone regions throughout Southeast Asia, government officials are facing an issue: how to deliver widespread weather warnings in a timely, effective way. One solution that’s working for Prek Touch? Voicemails. Today on the show, NPR climate correspondent Rebecca Hersher explains how a simple phone alert can prompt preparation, increase evacuation, and save lives.

Interested in more stories about natural disaster preparedness? Email us your question at [email protected].
Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

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Do you avoid small talk in the office, or with your neighbor in the elevator? If so, you might want to give it a chance. According to a study just published in the Journal of Personality and Social Psychology, even when participants were primed that a conversation would be boring, it turned out to be more interesting than they anticipated. Today on the show, we get into that, plus why scientists gave lobsters painkillers, and a clue about the formation of the Grand Canyon. 

Interested in more science? Email us your question at [email protected].

Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

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