Nell Greenfieldboyce, NPR science correspondent and expert in celestial events, joins to share insights on the upcoming total solar eclipse on April 8. She describes the surreal beauty of the eclipse, where day turns to twilight, and stars peek through. Nell discusses the best viewing spots across North America and emphasizes the importance of proper eye protection. The conversation highlights how eclipses ignite curiosity about the universe, encouraging both seasoned eclipse chasers and newcomers to immerse themselves in this breathtaking experience.

Nell Greenfieldboyce, an NPR reporter, dives into the fascinating world of snowflakes and the dubious record of the largest one ever recorded. She discusses the 15-inch snowflake claimed from 1887 and the skepticism surrounding it. A physicist investigates the science behind snowflake formation, exploring what truly defines a snowflake. With personal anecdotes, they unravel the uniqueness of giant snowflakes and celebrate the wonder and joy they bring during winter.

Nell Greenfieldboyce, an NPR science correspondent, delves into NASA's groundbreaking OSIRIS-REx mission, which successfully collected samples from the asteroid Bennu. She shares the emotional rollercoaster of the mission, full of close calls and anticipation. The discussion highlights how these ancient space rocks could unlock secrets about Earth's origins and potential future asteroid threats. Nell also touches on meticulous precautions taken during sample retrieval and hints at exciting upcoming missions that promise to expand our cosmic knowledge.

Nell Greenfieldboyce, an NPR science correspondent and ant enthusiast, joins to reveal the fascinating world of ants and their unexpected medical skills. Ants can perform lifesaving amputations on injured nest mates, a practice that may have existed longer than human surgery. Their social support and altruistic behaviors showcase their advanced decision-making and care for one another. The discussion highlights how these tiny creatures exhibit complex survival strategies, including self-amputation, all contributing to the welfare of their colony.

Nell Greenfieldboyce, an NPR science correspondent and expert on ant behavior, dives into the surprising takeover of European ant species in New York City. She discusses how this unremarkable species has thrived in an urban environment since 2011. The conversation uncovers the unique traits that enable the MahattAnts to adapt, their ecological impact, and the role of citizen science in researching these invasive critters. Get ready to rethink what you know about ants and urban ecosystems!

Nell Greenfieldboyce, NPR's science correspondent renowned for her insightful coverage of climate change, dives into the fascinating world of rock glaciers. She reveals that there are over 10,000 of these formations in the western U.S., often overlooked despite their significance. The discussion highlights their role in water supply and biodiversity, as well as the challenges researchers face in studying these hidden wonders. Nell also shares her hiking adventures to Utah’s rock glaciers, emphasizing their resilience amid climate change.

Nell Greenfieldboyce, NPR science correspondent with a focus on space exploration, discusses the recent glitch threatening Voyager 1, the farthest human-made object in space. She explains how this aging probe, launched in 1977 with a golden record, encountered an electronic issue that’s complicating NASA's attempts to communicate. Greenfieldboyce shares insights into Voyager's incredible journey beyond our solar system and the emotional connection scientists feel toward this interstellar emissary as they strive to restore its functionality.

Nell Greenfieldboyce, an NPR science correspondent, explores the fascinating bond between honeyguides and humans. These wild birds not only lead people to hidden beehives but also exhibit unique call responses tied to their locations. Nell shares insights from researchers studying this symbiotic relationship, highlighting the intricate communication methods between the Hadza community and honeyguides. The discussion reveals how childhood curiosity can shape scientific inquiry, fostering cooperation between humans and wildlife for mutual benefit.

Nell Greenfieldboyce, a science correspondent, dives into the fascinating world of box turtles, which are found across the U.S. She highlights a groundbreaking century-long study in North Carolina aimed at understanding these often-overlooked creatures. Listeners learn about the various threats to box turtles, from habitat loss to poaching, and the passionate volunteers working towards their conservation. Insights into recent studies reveal a surprising stability in turtle populations, sparking hope for these remarkable reptiles.

Nell Greenfieldboyce, an NPR science correspondent recognized for her work on silicosis, discusses the alarming rise of this disease among quartz countertop workers. She explains the health risks linked to cutting quartz, including harmful dust exposure. Personal stories reveal the devastating impact on affected individuals, while a CDC report highlights the urgent need for awareness and safety improvements. Greenfieldboyce emphasizes the importance of understanding countertop production to make informed consumer choices and protect workers.