Short Wave

• The Surprisingly Long History Of Nose Jobs

  Rhinoplasty is one of the most common facial plastic surgeries performed today. And it turns out, the ability to reconstruct a nose with living tissue has been known for a very long time – over 2500 years! But what spurred our ancestors to master this reconstructive technique? Well, there’s quite a range of answers – everything from adultery to duels and syphilis. Short Wave host Regina G. Barber speaks with bioengineer and Princeton University professor Daniel Cohen about the surprisingly long history of rhinoplasty – and how this art was lost and found throughout the ages.Want more tales of science throughout time? Email us at [email protected] 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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• The Most Convincing Evidence Yet Of Life On Mars

  Was there ever life on Mars? Planetary scientists think there could have been but there hasn’t been any direct evidence. After years of roaming Mars, NASA’s Perseverance rover saw spots on Mars rocks. These spots could be the most likely clue that Mars had organic life millions of years ago. Host Regina G. Barber speaks with recent PhD graduate and planetary scientist Hemani Kalucha. She explains why the size, shape and color of these spots – as well as the location of these rocks on Mars – point to ancient life.Interested in more science behind skincare products? Email us your question at [email protected] 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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• Brain Implants Are Here — And Getting Better

  Brain-computer interfaces (BCIs) are surgically implanted devices that link the brain to a computer. They can be helpful for people who’ve lost the ability to move or speak. And they’re making progress. New generations of BCIs could go as far as to detect a person’s inner monologue.But that progress is raising questions about the future privacy of our brains, and has some scientists asking, “What happens when you want to keep some things to yourself?”NPR brain correspondent Jon Hamilton talks to Short Wave’s Emily Kwong about the future of BCIs.Read more of Jon’s reporting on brain implants.Interested in more on the future of brain science? Email us your question at [email protected] – we may feature it in an upcoming episode!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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• 'Interstellar': Time Dilation And Wormholes Explained

  Christopher Nolan’s Interstellar was a phenomenon in 2014. Set in the future, Earth has been struck by a global crop blight. Former NASA pilot Cooper (Matthew McConaughey) is pulled into a NASA mission to transport the human race to a new planet, via wormhole. Back on Earth, Cooper’s daughter, Murph (Jessica Chastain), attempts to complete an equation that will allow this mass-transport of humanity from Earth. Many scientists praised the film, particularly for its depiction of black holes. In this episode co-hosts Regina G. Barber and Emily Kwong talk about Interstellar with Star Trek scientific advisor and astrophysicist Erin Macdonald. They walk through wormholes, black holes and all the ways space-time stretches in the film. Interested in more on the science behind science fiction? Email us your question at [email protected] – we may feature it in an upcoming episode!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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• Sip or Skip? The Truth About Electrolytes

  U.S. consumers spend more than $10 billion a year on sports drinks, according to Beverage Industry, a trade publication. And we can’t lie that sometimes a Gatorade or electrolyte tablet sounds really appealing in the quest to hydrate daily – especially since it’s been a very hot, long summer. But the question is: Are we even sweating enough to warrant all these sugary electrolyte-filled drinks? NPR health correspondent Pien Huang has been on the case, and she brings us answers she’s racked up in her reporting today.Read more of Pien’s reporting on electrolytes and hydration.Interested in more consumer health or human biology stories? Email us your question at [email protected] – we may feature it in an upcoming episode!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.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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