Science Friday

Dr. Nour Rawafi, project scientist for NASA’s Parker Solar Probe mission, dives into the groundbreaking mission to study the sun. This December, the probe will approach within 3.8 million miles of the sun’s surface, revealing secrets of solar phenomena. Nour discusses the probe's heat shield technology, which protects it from extreme temperatures, and how its data will deepen our understanding of solar cycles and their impact on Earth. Listeners will be captivated by the innovative strategies behind this historic mission and the potential for exciting discoveries.

Renowned theoretical physicist Dr. Kip Thorne, a Nobel laureate and science advisor for 'Interstellar,' reflects on the film's 10th anniversary. He discusses how advances in astrophysics, like gravitational wave detection, could reshape the narrative if the film were made today. Thorne shares insights into the collaboration between scientists and filmmakers that elevated public interest in black holes. He also touches upon popular misconceptions in science and the continuing quest to explore cosmic mysteries, like the black hole at our galaxy's center.

The invasive Asian giant hornet has been successfully eradicated from the U.S., marking the end of a five-year battle. Discover how this insect's minimal threat to humans masks its danger to bee populations. Also, delve into recent mysterious drone sightings causing public concern in New Jersey, with insights into FAA regulations. The podcast also covers the intricate world of virus naming conventions and groundbreaking research suggesting earwax could reveal health conditions, showcasing the fascinating intersection of science and society.

Kamala Thiagarajan, a science journalist with a focus on global health, discusses the Discovering Hands program that trains blind women in India to detect early-stage breast cancer through their acute sense of touch. The initiative not only enhances early detection but also empowers these women. Meanwhile, biomedical engineer Marco Lo Presti reveals exciting developments in creating a liquid silk adhesive inspired by Spider-Man’s web, exploring its potential applications in various fields, including biomedical technologies.

Chandra Reynolds is a seasoned expert in aging and sedentary behavior, while Ryan Bruellman is a PhD candidate specializing in genetics and health outcomes. They discuss alarming findings linking over 8.5 hours of daily sitting to increased BMI and cholesterol levels. The conversation highlights the comparison of sitting risks to smoking and suggests that just 30 minutes of vigorous exercise can significantly mitigate these health risks. They also emphasize the importance of incorporating movement into daily routines to combat the sedentary epidemic.

Discover the surprising origins of PFAS chemicals, often called 'forever chemicals,' tracing back to Teflon's accidental creation. Learn about their extensive use in consumer products and concerning health impacts, especially in New Jersey. Dive into the creative realm where mushrooms inspire innovative robotics and theater, leading to unique scientific plays that connect nature and technology. This blend of biology and art highlights the fascinating potential of mycelium in shaping sustainable robotics.

Dr. Sunil Amrith, a historian at Yale and author of 'The Burning Earth: A History,' dives deep into the links between empire, environmental destruction, and migration over 800 years. He reveals how foundational human conflicts have historically fueled ecological harm, starting as far back as the Mongol Empire. The discussion also highlights the urgent need for peace in climate action and showcases inspiring youth activism driving sustainable practices today. Examining these intertwined crises offers crucial lessons for our future.

Casey Crownhart, a climate and technology reporter at MIT Technology Review, delves into the intriguing findings from the James Webb Space Telescope, revealing the universe's unexpected acceleration in its expansion. The discussion also addresses a common misconception about the rise in food recalls, clarifying that 2024's numbers are consistent with previous years. Additionally, topics include advancements in quantum computing and innovative prosthetic technologies, shedding light on the intersection of science and everyday life.

Nicholas Christakis, a sociologist and physician from Yale, dives into the intriguing world of gut microbiomes and their unexpected ties to our social lives. He reveals how researchers studied isolated communities in Honduras to uncover the surprising ways our friendships shape our microbiome. Christakis explains how our gut bacteria can reflect our social connections, possibly influencing our health outcomes. Discover the concept of a ‘social microbiome’ and the implications of microbial sharing in modern society!

Dava Sobel, author of 'The Elements of Marie Curie,' delves into the remarkable legacy of the iconic scientist. She highlights how Curie shaped the careers of 45 women in her lab, breaking barriers in a male-dominated field. Sobel shares anecdotes that reveal Curie's nurturing mentorship amid societal challenges. She also discusses Curie's personal struggles, including her affair and media scrutiny, alongside her groundbreaking work in mobile x-ray units during WWI, emphasizing Curie's enduring impact on women in science.