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Jana Levin, an astronomy and physics professor, shares her expertise on time travel and relativity. Regina Barber, a science journalist, discusses the impact of time travel narratives on culture. Literary critic Jonathan Russell-Clark explores storytelling and cinematic examples of time travel. They delve into why these stories captivate us, the scientific inaccuracies often present, and critique iconic films like Back to the Future and Interstellar. The conversation also touches on the hypothetical future of time travel and its philosophical implications.

Tom Zeller Jr., an author and journalist on science topics, shares his intense struggles with cluster headaches, detailing their life-altering nature. Dr. Amal Starling, a Mayo Clinic neurologist, explains the different types of headaches and the specific challenges in diagnosis and treatment. They discuss the social stigma surrounding migraines, particularly affecting women, and highlight funding gaps in headache research. Personal coping strategies, including innovative treatments and the role of psychedelics, round out this insightful conversation.

Will Sommer, a senior reporter at The Bulwark, provides insights into the Republican Party's fractures since Trump’s 2024 win, particularly following Tucker Carlson's interview with Nick Fuentes that mainstreamed extremist views. Kadia Goba discusses the sharp reactions from Jewish conservatives about rising anti-Semitism. Meanwhile, Andra Gillespie analyzes how GOP identity dynamics affect their messaging on affordability and intra-party conflicts, highlighting a possible turning point for the party's future.

Megan Scully, Congress editor for Bloomberg News, discusses the implications of Congress's bipartisan vote to release Epstein files. Arthur Delaney from HuffPost explores the DEA's crackdown in Charlotte and fears in local communities. Elena Schneider from Politico highlights GOP rifts as Trump faces backlash over his Khashoggi comments. Joyce Karam analyzes U.S.-Saudi relations amid military deals, while Kreeti Gupta examines the troubling Gaza ceasefire. The discussion showcases the intertwining of domestic and global political dramas.

Jason Furman, an economist and Harvard professor, teams up with Shireen Ghaffari, an AI reporter at Bloomberg, to dissect the AI hype. They explore the question of whether the trillion-dollar investments in AI signal a financial bubble. Furman explains how rapid market evaluations might lead to a bust, while Ghaffari reveals concerns over massive spending and unprofitable startups. They also discuss the critical challenges of monetization strategies, energy demands, and the potential socio-economic impact of AI on jobs.

Join Marion Nestle, a leading nutrition expert and author, alongside Dr. Gita Maker-Clark, a physician specializing in Culinary Medicine. They dive into the complexities of grocery shopping, discussing the overwhelming choices at supermarkets and how pricing and policies shape our diets. Marion sheds light on the rise of ultra-processed foods, while Gita emphasizes the importance of practical cooking and nutrition education. They both advocate for treating food as healthcare, offering timeless advice to prioritize real, plant-based foods.

Gabe Fleischer, a Gen Z journalist and author of the Wake Up to Politics newsletter, offers insights on party dynamics and political strategy. Shoykat Chakrabarty, a candidate for California's 11th congressional district and former chief of staff to AOC, discusses the recent government shutdown and criticism of Senate leadership. The duo explores how younger Democrats are pushing for fresh leadership, the balance between economic focus and social issues, and the challenges of uniting a fractured party moving forward.

Naftali Ben-David, a Senior Political Correspondent for The Washington Post, joins Wendy Benjaminson of Bloomberg News, David Smith from The Guardian, and others to dissect the end of the longest government shutdown in U.S. history. They explore the unexpected bipartisan bill passage, implications of new Epstein emails tied to Trump, and ICE operations amidst scrutiny. The global segment shines a light on Maduro's military mobilization in Venezuela and the U.S. naval build-up, highlighting tensions amid geopolitical shifts.

Declan Walsh, Chief Africa correspondent at The New York Times, discusses Sudan's civil war and its staggering death toll. Khaloud Heer shares insights as a political analyst on the complexities of ethnic violence and the RSF's rise. Ross Smith from the UN World Food Program reveals the dire humanitarian crisis, including famine declarations and logistical hurdles in aid delivery. The trio examines the potential for a ceasefire amid ongoing geopolitical challenges, emphasizing the role of foreign powers and local aid efforts in the crisis.

Join Emily Peck, an Axios correspondent on economic issues, Beth Pinsker, a MarketWatch columnist, and Dana Lynn Rutherford, president of the Venner-Grin Foundation, as they tackle the skyrocketing costs of in-home care. They discuss the rising expenses caregivers face, explore personal stories highlighting financial stresses, and examine systemic issues around Medicaid and state support. Emotional choices intertwine with practical advice, revealing the complex landscape of caregiving amid economic challenges and workforce shortages.