Short Wave

Elsa Chang, the host of NPR's Consider This, joins to explore this week's fascinating science topics. They dive into how spiders design their webs and the mysterious purpose of stabilimenta. The conversation shifts to TV technology, discussing the real impact of pixel counts on viewing experience and whether spending more guarantees better quality. The episode wraps up with intriguing insights from a study on how storytelling influences memory formation in the brain. Perfect for Halloween, it's a mix of science and intrigue!

Mark Mammdorf-Andersen, a cognitive behavioral scientist and co-director of Denmark's Recreational Fear Lab, dives into the psychology of fear. He explains why haunted houses serve as perfect research environments to study our fears. Discover the 'sweet spot' of enjoyable fear, and learn how social dynamics can enhance scary experiences. Mammdorf-Andersen also discusses theories for why people actively seek fear, from arousal relief to the joy of shared experiences with friends. It's a fun exploration of what makes us thrill-seekers!

The discussion dives into the concept of managed retreat, a strategic move to relocate communities from disaster-prone areas. With examples from Alaska to Illinois, listeners learn how some communities successfully rebuilt after floods while others face ongoing struggles with funding and government support. The podcast explores the balance between top-down and grassroots initiatives, addressing the complexities and challenges of relocating entire communities. Challenges persist, including fragmented participation and financial barriers, but there are inspiring stories of resilience and cooperation.

Carolyn Goh, a clinical professor of dermatology at UCLA Health, and Thea Chasson, founder of Bald Girls Do Lunch, delve into the complexities of hair loss. They discuss the emotional toll of conditions like alopecia areata and the various types of hair loss women face. Carolyn breaks down hair growth cycles and the importance of accurate diagnosis for effective treatment. The duo also explores new drug options, telehealth services, and the mixed influence of social media on those experiencing hair loss.

Karma Nanglu, a paleontologist from UC Riverside, and Danielle de Carle from the University of Toronto, dive deep into ancient parasites. They discuss the enigmatic 'Riddler' fossil, revealing its connection to modern tube-building worms. The duo shares discovery tales of the oldest known leech fossil, suggesting a complex feeding evolution. They emphasize how reexamining museum collections with new technologies can uncover hidden treasures and rewrite our understanding of prehistoric life.

Nell Greenfieldboyce, NPR's science correspondent, dives into the alarming issue of bird-window collisions during migration season. She highlights that an estimated billion birds face deadly glass hazards each year. Nell shares innovative solutions from research, like patterns that make windows more visible. A case study on Chicago’s McCormick Place shows a 95% reduction in collisions with simple dot patterns. She also discusses local laws promoting bird-friendly buildings and practical tips for homeowners to protect our feathered friends.

Discover the intricate world of tuberculosis, the deadliest infectious disease, and how it still grips many parts of the globe despite being treatable. Join author John Green as he sheds light on the historical and present challenges of combating this illness. With over a million annual deaths worldwide, the conversation delves into public health, the spread of drug-resistant strains, and the urgent need for awareness and action. Engage with pressing questions about global health equity and the lessons we can learn for a better future.

Nate Rott, an NPR science correspondent, dives into the heated debate over using synthetic biology for conservation. He explores the alarming decline of endangered frogs and the potential of genetic engineering to help them resist disease. The discussion raises critical questions about unforeseen risks and the ethics of altering nature. Nate also reveals a narrow vote by the International Union for Conservation of Nature, which ultimately rejected a moratorium on gene-edited species, showcasing the urgency and division surrounding this controversial topic.

Discover how quitting smoking at any age can boost brain health and lower dementia risk, backed by research showing cognitive improvements in quitters. Learn about the harmful effects of smoking on brain blood vessels and why quitting can still benefit older individuals. The discussion shifts to fascinating studies on helping preterm infants develop language skills through maternal voice recordings, and investigate a viral urban animal mystery that concludes with a surprising revelation: it's a squirrel!

Dr. Alopi Patel, an anesthesiologist and expert in patient comfort, discusses the intriguing world of anesthesia. She shares her unique approach of using guided imagery as 'verbal anesthesia' to ease patients before surgery. The conversation delves into the history of anesthesia, from chloroform to modern techniques, and the various types used during procedures. Dr. Patel explains how anesthesia affects the body and mind, making surgeries safer while ensuring patients feel cared for during their vulnerable moments.