Short Wave

Rhitu Chatterjee, an NPR correspondent, shares her insights on the alarming mental health decline among caregivers, particularly those in the Sandwich Generation, during the pandemic. She discusses a CDC study revealing rising anxiety, depression, and PTSD rates among unpaid caregivers. Chatterjee highlights personal stories that illustrate the emotional toll of juggling caregiving responsibilities, and calls for systemic changes in healthcare to better support these essential individuals. It's a poignant reminder of the need for awareness and assistance in these challenging times.

Discover the enchanting world of lightning bugs and their captivating life cycles. Over 2,000 species illuminate our nights, but habitat disruption threatens their existence. Learn about their unique mating rituals and the crucial roles that larvae play. The looming threat of light pollution emerges as a surprising danger, overshadowing traditional concerns like deforestation. Join the discussion on conservation strategies and how everyone can contribute to preserving these magical creatures for generations to come.

The CDC has revised its mask recommendations due to a surge in COVID-19 cases driven by the Delta variant. Experts express concerns over the previous lift of mandates, emphasizing the need for indoor masking for everyone. There’s a focus on the risks facing unvaccinated individuals and the importance of protecting vulnerable communities. As schools reopen, adapting precautions and discussing vaccine mandates become critical topics of conversation.

Lauren Sommer, an NPR climate correspondent, dives into the resurgence of cultural burns practiced by Native American tribes for wildfire management. She discusses the ecological benefits of these controlled fires and how they can help mitigate the risks of extreme wildfires in California. Sommer highlights the vital partnerships forming between tribal leaders and state officials as they work to restore these traditional practices. She also reflects on the challenges of integrating Indigenous fire management techniques into contemporary land policies.

In this conversation, Sarah Everts, a science journalist and author of "The Joy of Sweat," dives deep into the fascinating world of human perspiration. She discusses how sweating uniquely sets humans apart from other animals, highlighting its evolutionary benefits in survival and endurance hunting. Sarah breaks down the science behind sweat composition, including the roles of genetics and environment. Listeners will discover the connection between sweat, personal scent, and the surprising implications for health and forensic science.

Wendy Bohon, a geologist and Senior Science Communication Specialist at IRIS, discusses the challenges of predicting earthquakes. She shares her transformative journey from acting to earth science, motivated by her own experience during a major earthquake. The conversation dives into the difference between earthquake detection and prediction, shedding light on current limitations. Wendy highlights the importance of scientific literacy and real-time data in advancing our understanding and response to seismic events.

In this conversation, Dan Charles, NPR's food and agriculture correspondent, sheds light on California's water crisis amidst severe drought. He explains how farmers have turned to underground aquifers for irrigation while facing impending regulations limiting well water usage. The discussion highlights the environmental impacts of over-extraction, the historical evolution of California's farming water supply, and the fierce debates between farmers and environmentalists over water rights. Dan shares insights on the need for sustainable water management and the community struggles tied to water scarcity.

Charlotte Devitz, a PhD candidate at the University of Minnesota, dives into the intriguing world of squirrels and their adaptability in urban environments. She discusses how these small mammals are indicators of urban ecosystem health. The conversation explores the unique bond humans form with squirrels through feeding. Devitz also shares insights on the challenges she faces as a researcher with Ehlers-Danlos syndrome, and how studying squirrel behavior can inform conservation strategies amid rising urbanization.

Lauren Frayer, NPR's India correspondent, dives into the intricate science of measuring Mount Everest. She explains how the iconic height of 29,031 feet is subject to change due to evolving measurement techniques, from old-school trigonometry to modern satellite technology. Frayer shares fascinating stories about historical surveyors and recent remeasurements that showcase local pride. Plus, discover why Everest isn't always crowned the tallest mountain on Earth. Join her as she explores the complexities behind one of nature's greatest giants.

Allison Aubrey, an NPR correspondent specializing in COVID-19 coverage, discusses the latest surge in cases driven by the Delta variant. With infections skyrocketing, she highlights the urgent need for vaccinations, especially in areas with low uptake. The conversation dives into alarming hospitalization rates and emphasizes safety at summer camps amid rising outbreaks. Aubrey offers practical advice for parents on pre-camp testing and precautions to keep children safe and healthy during the summer.