Short Wave

Rachel Carlson, producer at NPR, dives into the loneliness epidemic affecting many, especially during the holidays. She discusses the profound emotional and physical consequences of chronic loneliness, linking it to serious health risks. Carlson explains how loneliness can alter brain processing, influencing perceptions of social cues. Topics also include the significance of meaningful connections over mere acquaintances and the importance of quality relationships in combating feelings of isolation.

Astrophysicist Sarafina El-Badry Nance, known for her work on Betelgeuse, takes us on a stellar journey through the life cycle of stars. She discusses Betelgeuse's impending supernova and its dramatic fate, comparing it to the historical supernova of 1054 A.D. Nance also explores how a star's mass impacts its lifespan and the fascinating processes of star formation. Alongside captivating insights about winter constellations, she shares valuable life lessons learned from the chaotic yet beautiful existence of stars.

Join soil scientist Asmeret Asefaw Berhe, an expert from UC Merced and Director at the U.S. Department of Energy's Office of Science, as she unveils the hidden wonders of soil. She emphasizes its vital role in supporting life and combating climate change, revealing that soil stores three times more carbon than the atmosphere. Berhe discusses the alarming impacts of soil degradation and shares innovative strategies for revitalization, urging listeners to take action for environmental stewardship on World Soil Day.

Discover the fascinating world of chinstrap penguins and their astonishing napping habits! These wild birds take about 10,000 micro-naps each day, totalling around 11 hours of sleep. Delve into the groundbreaking research behind their sleep patterns using innovative technology. Plus, uncover the thrilling rediscovery of the long-beaked echidna, a species that hadn't been seen since 1961. This exploration of animal behavior and groundbreaking science offers surprising insights into the mysteries of sleep across species.

Rob Stein, NPR science correspondent, dives into the groundbreaking field of in vitro gametogenesis (IVG). He discusses how researchers are trying to create artificial sperm and eggs from any human cell, opening doors for anyone, including older and LGBTQ+ individuals, to have genetically related children. The conversation highlights the fierce global competition between Japan and the U.S. in creating artificial human embryos. Ethical concerns surrounding genetic manipulation and the potential for 'biologically superior' individuals are also put under the microscope.

John Urschel, a mathematician and professor at MIT, previously played for the Baltimore Ravens. He discusses how he pursued his passion for math while excelling in professional football. Urschel shares insights on managing dual careers and the challenges of balancing academia with sports. He delves into the fascinating world of linear algebra, including higher dimensional spaces and networks, explaining how mathematical concepts can analyze relationships. His journey proves it's possible to follow multiple dreams without sacrificing one for the other.

Karen Chin, a leading expert in fossilized feces and curator at the University of Colorado, takes listeners on a fascinating journey into the world of coprolites. She unveils how these ancient nuggets reveal vital insights into dinosaur diets and ecosystems. From unexpected dietary habits to the intriguing relationship between dinosaurs and dung beetles, Karen shares stories that blend science with humor. Discover how these petrified remnants provide a window into the feeding strategies and interactions of prehistoric life!

Maria Godoy, NPR science correspondent, embarks on a quest to revolutionize Thanksgiving turkey. Joined by food science experts Nik Sharma and Kenji López-Alt, they dissect common turkey cooking myths and uncover scientific methods to avoid dry, flavorless birds. Discover the benefits of spatchcocking, the nuances of brining, and the importance of understanding turkey anatomy. They also emphasize that the true essence of Thanksgiving lies in gathering with loved ones, not just the turkey on the table.

The latest National Climate Assessment reveals significant impacts of climate change on the U.S. economy and public health. From rising natural disaster costs to the disproportionate effects on marginalized communities, many face an uphill battle. Health risks like wildfire smoke and insect-borne diseases loom large. However, there's a silver lining: community initiatives and renewable energy advances showcase ongoing efforts to combat climate change, highlighting the potential for progress and social justice.

Discover how cutting just one teaspoon of salt a day can lower blood pressure as effectively as medication. Dive into the latest breakthrough concerning the oldest confirmed black hole, shedding light on cosmic mysteries. Learn about the alarming effects of climate change and pollution on sea turtle sex ratios, where rising temperatures lead to more females. Explore the intricate links between sodium intake and cardiovascular health, and get tips on mindful eating to manage salt consumption.