Science Friday

Renowned Alzheimer's researcher Bruce Yankner from Harvard Medical School discusses groundbreaking findings linking lithium levels to Alzheimer's, exploring its dual role in both causing and potentially treating the disease. Katelyn Jetelina, an epidemiologist and author, highlights the detrimental effects of recent funding cuts on critical Alzheimer's research and the broader implications for health initiatives funded by the NIH. Together, they emphasize the urgent need for public advocacy to support scientific advancements.

In this engaging discussion, biologist François Haman from the University of Ottawa explores the science behind cold plunges. He examines popular claims about their health benefits, revealing the truth about cold exposure and its effects on the immune system. Haman also discusses the activation of brown fat for calorie burning and the importance of gradual exposure. The conversation shifts to paleontologist Advait Jukar, who analyzes the cultural comeback of mammoths as sports mascots, blending history with modern branding in a delightful way.

Dr. Masao Tomonaga, a Nagasaki bombing survivor and director emeritus of the Japanese Red Cross Nagasaki Atomic Bomb Hospital, reflects on his remarkable life and career. He discusses the immediate and long-term health impacts of radiation exposure, particularly the rise of leukemia among survivors. Tomonaga shares poignant stories from his work with hibakusha, highlighting resilience amidst tragedy. He also emphasizes the importance of nuclear disarmament and advocates for the young generation to carry the message of peace forward.

In this discussion, Adam Philippy, a Senior Investigator at the NIH's National Human Genome Research Institute, delves into groundbreaking genomic research. He highlights a study of 65 diverse human genomes, revealing key insights about genetic diversity and complex genomic regions. The importance of non-coding DNA, often dismissed as 'junk,' is explored for its role in gene regulation. Philippy also discusses advancements in AI-driven genetic predictions, revolutionizing how we understand disease associations and genetic mutations.

Rebecca Boyle, a journalist and author based in Colorado Springs, discusses her book Our Moon, exploring the vital role the Moon has played in shaping life on Earth. She highlights how lunar tides influenced the rise of life and affected our biological rhythms. The conversation delves into the Moon's origins and its impact on Earth's climate and stability. Boyle also touches on current lunar exploration efforts and their significance, including the prospect of using the Moon as a launchpad for future Mars missions.

Sophie Bushwick, Senior News Editor at New Scientist, and Dr. Axel Krieger, a medical robotics expert from Johns Hopkins, delve into critical issues affecting our planet. They discuss the Trump administration's attempt to revoke vital EPA findings on greenhouse gases and the potential fallout for environmental policies. Bushwick also highlights exciting discoveries about exoplanet life and new energy solutions with rust-based batteries. Krieger shares the groundbreaking achievement of a robot performing autonomous surgery, showcasing a leap in medical technology.

Explore the fascinating world of whistling, where skill meets art and science! Discover how a whistle can convey everything from affection to homecoming. Learn about the intricate mouth mechanics needed to produce a whistle, and dive into personal anecdotes that highlight its cultural significance. Hear from a professional whistler about competitions and techniques, and uncover ethical discussions surrounding whistling for animals. Journey into the emotional ties and innovations behind this unique form of communication!

Richard Prum, an evolutionary biologist from Yale, uncovers the mystery of Mirasaura grauvogeli, an ancient reptile boasting a unique crest made from an entirely new biological material. He discusses its implications for the evolution of feathers and birds. Meanwhile, Peter Falkingham, a paleobiologist, reveals that longstanding equations for estimating dinosaur speeds might be flawed. Their insights challenge traditional views on dinosaur locomotion, prompting a reevaluation of how we understand these magnificent creatures.

Cady Coleman, a retired NASA astronaut and author based in Massachusetts, discusses the profound impact of proposed budget cuts on NASA's critical missions. She shares insights on the formal dissent letter, "The Voyager Declaration," signed by hundreds of employees, highlighting their concerns about the effects of rapid funding reductions. Coleman emphasizes the necessity of sustained investment in scientific innovation and the importance of fostering a culture of accountability within the agency to ensure the safety and success of future space exploration.

Monica Christmas, an Associate Professor of Obstetrics at the University of Chicago, and Carrie Karvonen-Gutierrez, an Associate Professor of Epidemiology at the University of Michigan, dive into the evolving conversation around menopause. They discuss how it’s become mainstream, fueled by celebrity awareness and social media. The duo tackles misconceptions, the significance of hormone therapy, and the disparities in menopausal experiences across demographics. They advocate for better health policies and highlight the potential liberation menopause can offer.