Short Wave

Allison Aubrey, an NPR health correspondent, discusses the latest on COVID-19 vaccination progress in the U.S., revealing a national average of 65% of adults vaccinated, with state disparities. She highlights the importance of vaccinating teenagers amidst new research on adolescent hospitalizations. The conversation also covers the potential need for booster shots to address waning immunity and the challenges of returning to pre-pandemic travel norms as air travel increases. Community efforts to improve vaccine access, especially in Latino neighborhoods, are also spotlighted.

Yara Haridy, a paleontologist at the Museum für Naturkunde in Berlin, reveals her fascinating work on bone evolution. She discusses a chance encounter that led her to innovative imaging techniques, illuminating how ancient bones functioned. The conversation dives into the vital role of osteocytes in bone health and communication, and how advancements in technology have opened new avenues for understanding evolutionary history. Haridy highlights the discovery of ancient osteocytes in jawless fish, linking them to modern bone cells and showcasing the serendipity in scientific exploration.

Jon Hamilton, an NPR correspondent known for his expertise in health and science, explores groundbreaking advancements in robotic limbs that can move and feel. He discusses the crucial role of tactile feedback in enhancing user control and emotional wellbeing. The conversation highlights the evolution of brain-computer interfaces and how they empower individuals with paralysis to interact intuitively with robotic arms. Hamilton shares insights from experiments showcasing the transformative power of touch, opening new possibilities in prosthetics.

Janina Jeff, a population geneticist and host of In Those Genes, dives into the fascinating world of genetic ancestry. She discusses the empowering concept of 'scientific Sankofa,' encouraging individuals of African descent to rediscover their roots. The conversation addresses the complexities of genetic testing, including its emotional and ethical dimensions. Jeff also highlights the importance of understanding genetic diversity and the future potential of genetics in promoting health equity and combating diseases, all while being mindful of historical contexts.

Geoff Brumfiel, a science correspondent for NPR, dives into the complexities of herd immunity in this discussion. He reveals why the herd immunity threshold is a moving target and may not be the optimal goal for ending the pandemic. Brumfiel critiques the public fixation on this elusive concept, emphasizing instead the importance of ongoing vaccination efforts. He also explores how computer models illustrate the challenges of reaching herd immunity and the need for adaptive public health strategies.

Dive into the captivating world of rainbows! Discover how light refracts in water droplets to create vibrant colors, all while having a little fun with the classic ROY G BIV. The discussion also highlights the rainbow's connections to the queer community, adding a rich social layer to this natural wonder. Explore the science behind angles and reflections that bring these arcs of color to life, and enjoy playful insights on their cultural significance. Perfect for a colorful celebration of knowledge!

Krystal Vasquez, a disabled scientist and advocate for accessibility in STEM, shares her journey navigating the challenges of pursuing scientific research with hypermobile Ehlers-Danlos Syndrome. She highlights how her disability has reshaped her relationship with science and emphasizes the urgent need for improved accessibility in labs. Krystal discusses the significance of universal design and practical solutions to foster inclusivity in scientific spaces. She advocates for integrating disability into diversity initiatives, urging more open dialogues to support marginalized voices in STEM.

Jamie Ducharme, health writer at Time and author of *Big Vape*, dives deep into the rise of Juul e-cigarettes and their unexpected shift from smoking cessation aid to youth vaping epidemic. The conversation covers the complex allure of e-cigarettes for teens, the polarized views on their safety and efficacy as quitting aids, and the regulatory challenges faced by the FDA. Ducharme also tackles the health comparisons between vaping and traditional smoking, leaving listeners pondering the uncertain future of vaping regulations.

Nell Greenfieldboyce, NPR's insightful science correspondent, dives into groundbreaking research on Earth's plutonium origins. She details how traces of plutonium found in Pacific Ocean sediments hint at extraterrestrial origins, linking it to supernova explosions. The discussion covers cosmic cataclysms and their role in forging heavy elements like plutonium and iron, suggesting an exciting influx of stardust on Earth. Greenfieldboyce also addresses skepticism about cosmic connections, leaving listeners pondering the vast mysteries of the universe.

Alison Aubrey, an NPR health correspondent, dives into the current state of vaccinations in the U.S. She highlights that eight states have achieved a significant milestone with 70% of adults receiving at least one dose. The discussion touches on the challenges of vaccinating younger populations and innovative incentives like lotteries to boost rates. Additionally, Aubrey addresses safety concerns regarding myocarditis in vaccinated youth, stressing the importance of ongoing vaccination efforts as society navigates post-pandemic transitions.