Science Weekly

In this engaging discussion, Nick Turk-Browne, a Yale psychology and neuroscience professor, dives into the fascinating puzzle of early childhood memories, particularly infantile amnesia. He explores why we often can't recall our earliest experiences and highlights the crucial role of the hippocampus in memory formation. Turk-Browne also offers insights on how the developing brain influences memory storage and retrieval, suggesting that early memories may significantly shape our identities and future experiences.

Scientists are raising alarms about the pursuit of 'mirror life' microbes, expressing concerns over unprecedented risks to Earth's ecosystems. Initial excitement around these synthetic organisms has given way to caution, especially regarding their potential ecological consequences and implications for drug development. Discussions touch on the concept of chirality in biology, the fine balance between innovation and safety, and even the possibility of similar life forms existing elsewhere in the universe. It's a captivating mix of promise and peril in cutting-edge science.

Keon West, a Professor of Social Psychology at the University of London and author of 'The Science of Racism', shares his insights on the systemic nature of racism. He discusses the surprising biases in educational settings and the impact of racism in competitive dance shows like 'Strictly Come Dancing.' West explains the difference between conscious and unconscious bias, emphasizing the limitations of current training programs. He also highlights effective strategies, such as fostering intergroup contact, needed to combat racism and promote diversity.

Gloria Mark, a Professor of Informatics at UC Irvine and author of 'Attention Span', explores the modern crisis of dwindling attention spans. She reveals that our ability to focus has plummeted from two and a half minutes to just 47 seconds. Mark highlights how technology cultivates distractions and suggests actionable strategies to reclaim focus. She discusses the importance of taking breaks for mental rejuvenation and offers insightful tips on maximizing concentration in our fast-paced, digital world.

Michael Snyder, director at Stanford's Center for Genomics and Personalized Medicine, dives into the intriguing science of aging. He discusses how aging isn't linear but occurs in dramatic bursts around ages 40, 60, and 80. Listeners learn about key physiological changes like increased visceral fat and declining immune function. Snyder emphasizes how lifestyle choices in your 40s can influence health later in life and shares groundbreaking research on enhancing healthspan through lifestyle and scientific interventions.

Ian Sample, Science editor at The Guardian, discusses the revolutionary IVF technique that has led to the birth of eight healthy babies using DNA from three parents. He highlights the desperate battle against mitochondrial diseases that this method addresses. Prof. Sir Doug Turnbull shares insights from the 25-year journey to achieve this breakthrough, emphasizing the emotional weight for families affected. The podcast navigates the ethical dilemmas and regulatory challenges surrounding this innovative approach, offering a hopeful glimpse into the future of reproductive medicine.

Discover the groundbreaking advancements in lab-grown organs, including the creation of tiny blood vessels, and the ethical dilemmas they present. Dive into the climate crisis faced by Tuvalu, showcasing a pioneering climate visa for citizens relocating to Australia. Explore the emotional ramifications of resettlement and the innovative strategies for preserving sovereignty amid rising seas. Finally, witness the cosmic spectacle of two black holes colliding, opening new doors to understanding the universe's mysteries.

Paul Gringras, a leading consultant in paediatric sleep medicine at King’s College London, discusses the rising trend of parents using melatonin to help their neurodivergent children sleep. He shares insights into melatonin's benefits and concerns surrounding its unsupervised use. Rhiannon Lucy Cosslett adds personal stories of parental desperation as families navigate sleep deprivation and the challenges in accessing proper prescriptions. Together, they emphasize the importance of behavioral interventions over quick fixes with medication in promoting healthier sleep habits.

Eric Holthaus, a meteorologist and climate journalist, joins to discuss the recent catastrophic floods in Texas and the troubling implications of funding cuts to US weather agencies. He highlights how drought conditions and tropical cyclones are intertwining to create severe weather events. Holthaus emphasizes the critical need for effective communication during emergencies and how failures in public notification systems can have tragic consequences. The conversation raises alarm over the challenges in meteorology as climate change accelerates extreme weather patterns.

Join Stephanie Wright, an Associate Professor of Environmental Toxicology at Imperial College London, as she dives into the controversial world of microplastics. Explore why celebrities like Orlando Bloom are opting for costly blood detox treatments. Discover the alarming presence of microplastics in human organs and the ongoing challenges in understanding their health impacts. Wright also offers practical tips on reducing exposure, emphasizing the importance of ongoing research in this critical area of public health.