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  • EPA Seeks To Revoke Scientific Basis For Greenhouse Gas Rules
    This week the Trump administration indicated that it would seek to roll back a key EPA finding that allows the agency to regulate greenhouse gas emissions from things like cars and power plants. The 16-year-old rule, known as the “endangerment finding,” states that six greenhouse gases pose a threat to human health. Sophie Bushwick, news editor at New Scientist, joins Host Ira Flatow to discuss the proposed change, along with news about exoplanet life, Russian drones, rust-based batteries, hexagonal diamonds, quantum entanglement, and extra-old honey.Plus, a robot performed surgery by itself for the first time, on a pig cadaver. Medical roboticist Axel Krieger joins Ira to discuss how he was able to train the surgical robot.Guests:Sophie Bushwick is senior news editor at New Scientist in New York.Dr. Axel Krieger is an associate professor in the department of mechanical engineering at Johns Hopkins University.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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  • You Can Whistle While You Work—But How Does A Whistle Work?
    Whistling is a skill used to communicate over distances—a whistle can mean anything from “you’re cute” to “time to come home for dinner.” There’s a complex series of mechanisms in the mouth that need to come together to make a whistle. Hosts Ira Flatow and Flora Lichtman discuss all things whistling with professional musician and whistler Wanda Civic, aka MCP, and speech language pathologist Aaron Johnson.Guests: Wanda Civic aka MCP is a musician and whistler based in New York, New York.Aaron Johnson is a speech and language pathologist at the Voice Center of New York University, in New York, New York.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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  • A Reptile’s Baffling Backfin And The Math Of Dashing Dinos
    Paleontologists have identified an ancient reptile with a towering crest made not of skin, or scales, or feathers, or antler—but something else entirely. It’s some kind of integumentary outerwear we’ve never seen before. The small creature sporting the curious crest was named Mirasaura grauvogeli, and it lived during the Middle Triassic period, about 247 million years ago, just before dinosaurs evolved. Host Flora Lichtman talks to evolutionary biologist Richard Prum about this dramatic dorsal mystery and what it tells us about the evolution of dinosaurs, birds, and feathers. Plus, how fast did dinosaurs run? It turns out that the equation scientists have been using for five decades to estimate dinosaur speeds is not completely accurate. To understand what this could mean for velociraptor velocities, T. rex tempos, and spinosaurus speeds, Flora talks with paleobiologist Peter Falkingham.Guests: Dr. Richard Prum is a professor of ecology and evolutionary biology and head curator of ornithology at the Peabody Museum of Natural History at Yale University in New Haven, Connecticut. He previously chaired Yale’s Department of Ecology and Evolutionary Biology.Dr. Peter Falkingham is a professor of paleobiology at Liverpool John Moores University in England.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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  • NASA Employees Protest Cuts In Formal Dissent Letter
    The Trump administration has proposed cutting NASA’s budget by almost 25% and shutting down 19 currently operating science missions. On July 21, several hundred current and former employees of the space agency released an official letter of dissent, titled “The Voyager Declaration,” arguing against “rapid and wasteful changes which have undermined our mission.” Retired NASA astronaut Cady Coleman joins Host Flora Lichtman to explain why she felt compelled to add her signature to the letter of dissent.Guest:Dr. Cady Coleman is a retired NASA astronaut and the author of Sharing Space: An Astronaut’s Guide to Mission, Wonder, and Making Change. She’s based in Shelburne Falls, Massachusetts.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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  • Where Are We On The Science Of Menopause?
    Menopause is having a moment. Celebrities like Halle Berry, Naomi Watts, and Michelle Obama have recently shared their personal menopause experiences. Menopause and perimenopause are showing up across social media and even in popular books. All this to say, menopause has finally gone mainstream. But, it wasn’t until about three decades ago that menopause research really kicked into gear. Since then, scientists have made a lot of progress in understanding the basic biological process as well as treatments like hormone therapy and the importance of separating symptoms of menopause from those of aging. Host Flora Lichtman talks with two menopause researchers, ob-gyn Monica Christmas and epidemiologist Carrie Karvonen-Gutierrez, about what we’ve learned so far—and what misconceptions bug them most.Guests: Dr. Monica Christmas is an associate professor of obstetrics and gynecology at the University of Chicago and director of the menopause program at UChicago Medicine.Dr. Carrie Karvonen-Gutierrez is an associate professor of epidemiology and the director of the Center for Midlife Science at the University of Michigan.Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.
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