Science Friday

Join Kathryn Harkup, a chemist-turned-author, as she unravels the deadly secrets behind Agatha Christie's use of poison in her mysteries. With a background in pharmacy, Harkup explains how Christie's chemistry knowledge enriched her storytelling. Discover the allure of toxicology, the dual nature of poisons, and the science behind crime-solving. Harkup also reflects on how societal perceptions of toxicity have shifted, shedding light on Christie's personal encounters with lethal plants that inspired her infamous plots.

Casey Crownhart, a senior climate reporter for MIT Technology Review, dives into the recent severe flooding in Juneau, Alaska, linked to climate change. She discusses the hurdles the U.S. electric vehicle market faces amidst regulatory challenges, while highlighting a major automaker's push for affordable electric trucks. Crownhart also touches on innovative energy storage solutions, including a startup using underground water for electricity storage. The podcast critically examines the funding cuts to mRNA vaccine research and their potential long-term impact on drug development.

Join Shelley McGuire, a professor from the University of Idaho, and Deepshika Ramanan, an assistant professor at the Salk Institute, as they dive into the fascinating world of breast milk. They explore its unique composition and its vital role in infant immunity. Discover how breast milk adapts to a baby's needs, the evolutionary advantages of breastfeeding, and the global variations in milk composition. The discussion also addresses maternal cannabis use and the societal stigma surrounding breastfeeding choices, highlighting the need for more research and support.

Tom Zeller Jr., editor in chief of Undark and author of The Headache, shares his personal battle with debilitating cluster headaches for over 30 years. He dives into the mysterious nature of headaches, revealing how little is understood about their mechanisms. Zeller contrasts cluster headaches with migraines, emphasizing their intense pain and unpredictability. He discusses the stigma surrounding headache disorders and highlights breakthroughs like CGRP inhibitors, offering hope for effective treatment. His insights shed light on the underappreciated field of headache science.

James Lovell, a legendary NASA astronaut and commander of the Apollo 13 mission, shares gripping insights from one of space exploration's most infamous journeys. He recounts the intense drama following a life-threatening explosion in the spacecraft and the crew’s quick thinking that turned the Lunar Module into a lifeboat. Lovell also reflects on the pressures of decision-making in crisis, the teamwork needed to ensure a safe return, and the legacy of the Apollo missions in shaping modern space exploration.

Adriana Corrales and Michael Van Nuland, scientists from the Society for the Protection of Underground Networks, dive into the fascinating world of mycorrhizal fungi. They highlight the critical, yet overlooked, role these underground networks play in supporting biodiversity and soil health. The conversation covers the urgent need for conservation efforts as these networks face threats from climate change. They emphasize fostering emotional connections with fungi to boost awareness and appreciation for their beauty and ecological importance.

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.