Short Wave

Tears are more than just droplets; they carry the emotional weight of our experiences. The conversation explores different types of tears, emphasizing emotional ones as unique to humans. Listeners learn how crying serves as a vital social signal and a bonding mechanism. The hosts discuss the intricate mix of emotions tied to weeping, illustrating how joy and sadness interplay in our lives. Cultural influences on crying are also examined, revealing the pressures surrounding emotional expression.

Jocelyn Bell Burnell, a groundbreaking astrophysicist celebrated for her discovery of pulsars, shares her incredible career journey. She recounts her passionate pursuit of radio astronomy and the monumental moment in 1967 when she first detected pulsars, reshaping our understanding of dying stars. The conversation delves into the dramatic life cycle of stars, the unique properties of neutron stars, and the challenges of working in a male-dominated field. Jocelyn also reflects on her legacy and the ongoing impact of pulsars in astronomy today.

In this discussion, Atlantic science writer Katie Wu shares her insights on the whimsical pumpkin toadlet, a tiny amphibian that defies traditional frog traits. We learn about its unique life in Brazil, including its bypassing the tadpole stage and surprisingly ungraceful jumping abilities due to its small inner ears. Wu also reflects on the beauty of imperfection, exploring how this clumsy creature embodies determination amidst challenges. Finally, the conversation touches on misconceptions about frogs and toads, highlighting the charm of this peculiar species.

Mamadou Ndiaye, a TikTok star and self-proclaimed internet zoologist, brings his comedic flair to a fascinating discussion about the world’s most dangerous animals. He shares surprising facts, debunking myths about creatures like wolves and revealing the unusual fears of elephants. The hosts engage in a lively quiz that tests their knowledge of perilous wildlife, from the notorious Cape buffalo to the fugu blowfish. With humor and competition, they uncover astonishing hunting success rates of animals, making learning about danger incredibly entertaining.

The hosts dive into a festive trivia exchange, mixing holiday cheer with fascinating facts. They highlight the iconic performance of 'Jingle Bells' in space, bridging music and astronomy. The conversation flows into the science behind sledding, making winter fun sound educational. Gratitude fills the air as they celebrate transitions and look forward to more joyful holiday tales.

Kwasi Wrensford, a PhD candidate at UC Berkeley, dives into the fascinating world of chipmunks, exploring how two species cope with climate change. He contrasts the Alpine chipmunk, which is climbing to higher elevations for cooler habitats, with the resilient Lodgepole chipmunk, thriving in its historic range. Kwasi discusses their unique adaptations and stress responses, illuminating broader implications for wildlife in a warming world. These skittish little creatures not only charm but also offer critical insights into survival strategies under climate duress.

Giuliana Viglione, an editor at Carbon Brief specializing in food, land, and nature, shares her insights from the recent UN Biodiversity Conference in Montreal. She highlights the urgent goals set for 2030 aimed at curbing biodiversity loss. Viglione discusses the contrast in media coverage between COP15 and COP27 and reflects on the failures of past targets. With cautious optimism, she elaborates on the new biodiversity agreement and the pressing need for effective monitoring to ensure nations fulfill their environmental commitments.

Jon Hamilton, NPR's brain correspondent and an expert in neuroscience, joins the conversation about the resurgence of interest in psychedelics like MDMA and psilocybin. They delve into the therapeutic potential of these substances for treating mental health disorders such as depression and PTSD. The discussion also highlights the importance of navigating both the promises and perils of psychedelic treatments. Hamilton emphasizes the need for realistic expectations, comprehensive clinical oversight, and the growing involvement of companies in the psychedelic industry.

Sadie Witkowski, a passionate science communicator and host of Carry the Two, shares her journey of transforming math from a source of fear into a tool for curiosity and understanding. She emphasizes the importance of storytelling in making math relatable and accessible. The conversation delves into the real-world applications of mathematics, including tech advancements like self-driving cars and the challenges of diversity in math education. Sadie inspires listeners to shift their mindset, encouraging them to embrace math with excitement rather than anxiety.

Dr. Jenny Jia, a researcher from Northwestern University specializing in dietary supplements, dives deep into the billion-dollar supplement industry. She discusses the surprising lack of evidence supporting multivitamins and their limited benefits for disease prevention. Dr. Jia urges listeners to focus on whole foods rather than quick fixes, debunking myths about supplements enhancing health. She also highlights the challenges clinicians face in educating patients about healthy choices, advocating for dietary changes over reliance on pills.