Science Weekly

In this engaging discussion, Nicola Davis, Science correspondent at The Guardian, dives into the controversial world of de-extinction. She explores the recent claims of reviving the dire wolf and questions whether these wolves are truly extinct or just genetically modified. Nicola highlights the ethical dilemmas surrounding species revival and the challenges faced in dramatically altered environments. She also introduces innovative conservation projects like the 'poo zoo,' showcasing the fusion of genetic tech with traditional methods to save endangered species.

Jessica Glenza, a US health reporter for The Guardian, dives into the mixed messages from Robert F. Kennedy Jr. regarding vaccines amid a measles resurgence. She highlights his contradictory stance on vaccination, promoting nutrition as a treatment while downplaying vaccine safety. Glenza addresses how these statements are influencing public perception and scientific research funding, leading to workforce reductions in health departments. The episode reveals the ongoing struggles within the U.S. research community and the potential global implications of these developments.

Robin McKie, the outgoing science and environment editor for The Observer, reflects on his remarkable 40-year career. He shares insights into the revolutionary discovery of DNA's structure and the lessons learned about misinformation during the HIV/AIDS crisis. McKie discusses high-profile scientific flops like cold fusion and the Millennium Bug, illustrating the gap between public expectation and reality. He also addresses the challenges of science journalism today, balancing visual appeal with urgent climate issues and the complexities of space exploration.

Phoebe Weston, a biodiversity reporter at The Guardian, shares insights on Switzerland's impressive water purification efforts. She details how the country transformed its rivers from polluted hazards into pristine swimming spots, driven by a public health crisis in the 1960s. The discussion highlights the ecological impact of pharmaceuticals in waterways and showcases Switzerland’s innovative treatment practices. Phoebe emphasizes what the UK could learn from Switzerland's proactive approach to preserving clean water resources.

Phoebe Weston, a biodiversity reporter at The Guardian, dives deep into the alarming issue of pharmaceutical pollution in the UK's pristine rivers. She reveals that even protected national parks are not safe, with many contaminated by various medications. The conversation highlights the role of ineffective sewage treatment and the health risks linked to rising antimicrobial resistance. Phoebe also discusses the hidden impact of household and veterinary chemicals on wildlife, emphasizing an urgent need for better monitoring and pollution control.

Patrick Barkham, a Guardian nature writer renowned for his insights on invertebrates, dives into the world of overlooked critters. He discusses the ongoing poll for the world’s finest invertebrate, shining a spotlight on creatures like the fen raft spider and the tongue-biting louse. Barkham emphasizes the ecological significance of these unsung heroes and shares powerful stories from readers advocating for their favorites. The conversation highlights the resilience of these tiny beings and their vital roles in our ecosystems.

Javier Gonzalez, a professor in the Department of Health at the University of Bath, dives into the ketogenic diet, dissecting its science and appeal. He explains how cutting carbs can flip the body's energy source to fat, leading to quick weight loss. However, he also warns about potential health risks, including cholesterol issues and gut microbiome changes. Gonzalez discusses the psychological factors that keep people on the diet, highlighting its impact on blood glucose control, particularly for those with type 2 diabetes. A thought-provoking discussion on the balance between benefits and risks!

Johana Bhuiyan, a Senior tech reporter at The Guardian US, and Timothy Caulfield, a law professor specializing in health and biotechnology, delve into the dramatic rise and fall of 23andMe. They discuss the initial excitement surrounding its DNA testing innovation and the ethical challenges of privacy as users now scramble to delete their data post-bankruptcy. The conversation also uncovers the complexities of genetic testing, the impact on personal health, and the evolving accuracy of ancestry results, sparking insights into consumer awareness.

Nick Turk-Browne, a Yale psychology and neuroscience professor, delves into the enigma of infantile amnesia—our inability to recall early childhood memories. He explores the role of the hippocampus in memory formation and discusses groundbreaking fMRI research on how infants begin to form episodic memories. Turk-Browne considers the implications of language and self-awareness in memory development, revealing how this phenomenon shapes our identities and challenges traditional views of early memory retention.

Discover how dark energy, the enigmatic force driving the universe's expansion, is seemingly weakening over time. Experts delve into its implications for cosmic fate and challenge long-held beliefs about this mysterious energy. Insights from a Nobel laureate reveal key revelations that could reshape our understanding of the universe. Plus, learn how type 1A supernovae serve as essential markers for measuring expansion, boosting our knowledge of cosmic dynamics and prompting fresh debates in astrophysics.