Short Wave

Nell Greenfieldboyce, an NPR science correspondent known for her captivating reports on scientific phenomena, dives into the world of ice worms. She reveals how these tiny, black, thread-like creatures survive in the extreme glacial environments of the Pacific Northwest. Surprisingly, they thrive at zero degrees Celsius but struggle with colder temperatures. Nell also discusses their ecological significance as indicators of climate change, challenging the notion that glaciers are lifeless. Get ready to discover the surprising life hidden in ice!

Jessica Mejía, a postdoctoral researcher in glaciology at the University of Buffalo, shares her fascinating experiences studying the Greenland ice sheet. She reveals the intense isolation faced during her research stints and explains how glaciers are not only melting but also moving, which complicates predictions for sea level rise. Mejía discusses the innovative tools used to monitor glacier dynamics and emphasizes the critical implications of her findings for coastal communities worldwide. Her passion for climate science shines through as she navigates the challenges of her vital work.

Nell Greenfieldboyce, an NPR science correspondent specializing in geology, dives into the fascinating world of zircon, the planet's oldest known mineral. She reveals that these resilient crystals date back 4.37 billion years, serving as geologic clocks that mark significant events in Earth's history. The discussion highlights how advancements in zircon research are unlocking secrets about early cosmic events, like the Moon's formation, as well as improvements in dating techniques using uranium decay. Zircon's durability makes it essential for understanding our planet's ancient past.

Discover the surprising link between systemic racism and urban wildlife biodiversity. Researchers uncover how redlining affects not only human residents but also local animal populations, revealing stark disparities in biodiversity. Learn about the historical roots of these inequalities and their environmental consequences. Hear insights into the necessity of integrating social factors into ecological studies and the urgent call for better urban planning to create healthier, more equitable green spaces.

Daniel Swain, a climate scientist with UCLA and the National Center for Atmospheric Research, dives into the fascinating world of atmospheric rivers. He explains how these narrow plumes of wet air can unleash devastating floods and landslides in California. Swain emphasizes the critical role of climate change in intensifying these phenomena, leading to more severe weather patterns. He also discusses the balancing act between drought relief and increased flood risks, highlighting the urgent need for adaptive strategies in a warming climate.

Dive into the world of menstruation as hosts tackle the taboo topics surrounding periods. They share personal stories and emphasize the need for open conversations. Understand the hormonal dynamics of the menstrual cycle and how they influence emotional well-being. Discover the significance of tracking menstrual health and addressing issues like painful periods. Plus, they explore the choice to skip menstruation altogether for those not trying to conceive, offering insights into comfort and medical options.

Josh Cassada, an astronaut currently aboard the International Space Station, shares fascinating insights about life in orbit. He discusses his daily routine, including taking his own blood for research and participating in experiments like growing tomato plants in microgravity. Cassada also highlights the joys of spacewalks, the challenges of working in low gravity, and the international flavor of astronaut cuisine, particularly his love for Japanese seafood. It’s a captivating glimpse into science, sustainability, and the thrills of space exploration!

Jon Hamilton, NPR's science correspondent and neuroscience expert, dives into the intriguing world of time cells. He explains how these neurons help embed our personal memories with vivid details, challenging the notion that they solely track time. Discussing the relationship between time and place cells, he reveals their interchangeable roles in memory and navigation. With insights into how our brains manage perceptions of time using logarithmic scales, Hamilton makes us rethink our understanding of memory and time itself.

Celebrate the New Year with a whimsical science-themed Mad Lib! The hosts craft a hilarious narrative filled with absurd elements and quirky science experiments. Their playful banter brings out the joy of creative writing while sparking optimism for the year ahead. Hear the duo's lighthearted aspirations, including tackling climate change, all while embracing the spirit of fun and gratitude for what's to come.

Tears are more than just droplets; they carry the emotional weight of our experiences. The conversation explores different types of tears, emphasizing emotional ones as unique to humans. Listeners learn how crying serves as a vital social signal and a bonding mechanism. The hosts discuss the intricate mix of emotions tied to weeping, illustrating how joy and sadness interplay in our lives. Cultural influences on crying are also examined, revealing the pressures surrounding emotional expression.