Science Quickly

As measles cases spike, experts debunk the myth that vitamin A can replace vaccines. A recent Supreme Court ruling threatens the EPA’s water pollution regulations, raising alarms for environmental protection. Plus, scientists have genetically engineered woolly mice, paving the way for potential de-extinction efforts. The podcast highlights ozone layer recovery and innovative treatments for knee injuries, showcasing the exciting intersection of science and ethics in biotechnology.

John Green, an acclaimed author and Vlogbrother, dives into the world of tuberculosis and its profound effects on history and society. He shares his personal journey from young adult fiction to exploring this pressing health crisis. Green highlights the shocking inequities in access to treatment and discusses how tuberculosis remains a leading cause of death despite being curable. Through captivating stories, he emphasizes the cultural impact of the disease and encourages a humanized understanding of its ongoing challenges.

Megha Satyanarayana, Chief Opinion Editor at Scientific American, dives into alarming findings about microplastics in our brain and their broader implications. She discusses the environmental journey of plastics beyond factories and their hidden health risks. Satyanarayana also shares insights about her column, Cross Currents, which aims to clarify scientific narratives in public discourse. Moreover, she emphasizes the importance of effective science communication in tackling misinformation and fostering public engagement with critical health issues.

A tragic measles outbreak in West Texas has resulted in the first death from the virus since 2015, highlighting the importance of vaccinations. Meanwhile, two mysterious health outbreaks in the Democratic Republic of Congo are raising concerns among public health officials. In space, new research suggests that a diverse microbial environment is vital for astronauts' health. Lastly, geological findings hint at ancient oceans on Mars, while the eruption of Mount Vesuvius reveals how it turned a brain to glass, blending science with history.

In this discussion, Josh Fischman, a senior editor at Scientific American, sheds light on the quirky phenomenon of earworms—the songs that refuse to leave your brain. He reveals the psychological triggers behind why certain melodies cling to us. Listeners share their unforgettable earworms while Fischman explains the key traits of pop songs that make them so catchy. Lastly, he offers some amusing strategies to combat these musical intruders, like chewing gum and tuning into different tunes!

Lee Billings, Senior Space and Physics Editor for Scientific American and expert on the Gaia mission, reflects on the groundbreaking achievements of the Gaia spacecraft. They delve into its pivotal role in mapping the Milky Way, revealing discoveries like tidal streams and black holes. Billings discusses the mission's transition to a graveyard orbit and the significance of the collected data for future research. The conversation also touches on what lies ahead for astronomical missions aiming to continue Gaia's legacy.

Explore the mysterious light emitted by the black hole at the galaxy's center. Discover how astronaut candidate John McFall breaks barriers as the first physically disabled person cleared for space. Learn about the fluctuating risk of asteroid 2024 YR4 impacting Earth, which has shifted dramatically from over 3 percent to 1.5 percent. Plus, dive into a surprising outbreak of measles in West Texas and uncover fascinating studies linking human speech patterns to fish behavior.

Tina Lasisi, a biological anthropologist from the University of Michigan, dives into the evolution of human hair, particularly curls. She discusses why humans, unlike other mammals, have less body hair and the role of melanin in skin variation. Tina explores the genetic factors behind differing hair textures, including intriguing insights from "chemo curls." Their conversation reveals how hair can reflect health issues and captures the complex interplay between genetics and environmental adaptation throughout human history.

Carl Zimmer, a renowned science journalist and author of "Airborne: The Hidden History of the Life We Breathe," dives into the fascinating world of aerobiology. He discusses the evolution of beliefs about airborne diseases, tracing ideas from ancient miasmas to modern science. Zimmer highlights the crucial role of microbes in indoor air and the impact of the COVID-19 pandemic on our understanding of airborne transmission. He also reflects on the historical ties between aerobiology and biological warfare, revealing unsettling truths about the life we share our air with.

Rhaina Cohen, a producer and editor for NPR's Embedded and author of The Other Significant Others, dives into the science of deep friendships. She explores how these non-romantic bonds can be just as fulfilling as romantic partnerships. The discussion highlights the evolution of friendship dynamics and the importance of companionship for emotional well-being. Cohen challenges traditional notions of family and love, advocating for the celebration of diverse connections, especially on Valentine's Day.