Short Wave

Fernando García-Moreno, an evolutionary and developmental neurobiologist, discusses his groundbreaking research revealing that birds, reptiles, and mammals evolved their brains independently from a common ancestor. He delves into the structural differences across these species, challenging traditional views on avian intelligence and highlighting convergent evolution. García-Moreno emphasizes the non-linear paths of evolution that led to diverse forms of intelligence in nature, suggesting that human brains may not be as uniquely special as we believe.

As allergy season blooms, many are feeling the impact more than ever. Experts discuss how climate change is extending and intensifying allergic rhinitis, with rising pollen levels making life difficult. Tips from allergists provide hope for those facing increased symptoms, including the surprising benefits of wearing masks. With a deep dive into the connection between carbon dioxide and pollen production, listeners learn practical ways to manage allergies in this challenging environment.

Saad Bhamla, a principal investigator at the Bhamla Lab, is revolutionizing science communication through comics. He discusses the incredible physics of the glassy-winged sharpshooter, which can eject pee faster than a cheetah accelerates. The conversation dives into his comic series that humorously showcases nature's wonders while making science approachable for younger audiences. Bhamla emphasizes bridging the gap between scientists and the public through engaging storytelling, highlighting that comics can spark curiosity and connection.

In this engaging conversation, astronomer Josh Wynn from Princeton University shares insights as an exoplanet hunter. He explains how astronomers detect distant planets by observing the subtle 'wiggles' of stars. Learn about the Doppler effect and the astrometric technique used to unveil these celestial bodies. Josh highlights the groundbreaking work of the GAIA telescope, revealing how its data enhances our understanding of exoplanetary systems. Excitement builds for future discoveries in the ever-expanding universe!

Rachel Carlson, a dedicated producer and reporter on psychedelic science, dives into the fascinating world of non-hallucinogenic alternatives to traditional psychedelics. She discusses groundbreaking research on modifying these compounds to retain their therapeutic benefits while eliminating hallucinatory experiences. The conversation explores innovative treatments, such as 'psychoplastogens' and the promising drug DLX1 aimed at tackling conditions like depression. Carlson also highlights the ongoing debates on the necessity of trips in psychedelic therapy, offering a glimpse into the future of mental health treatment.

In this fascinating discussion, Rachel Carlson, a producer at NPR known for her series on psychedelics, dives into the cutting-edge research on ketamine. She explores the possibility of achieving therapeutic benefits without the psychedelic experience. A notable study involving anesthesia raises questions about the interplay of drug effects and psychological context. The conversation highlights personal testimonials and the role of the placebo effect, setting the stage for innovations in mental health treatments.

Rachel Carlson, a producer with a keen interest in psychedelic science, discusses the intriguing world of psychedelics and their potential therapeutic benefits. She highlights the challenges researchers face in distinguishing the effects of psychedelics from the personal transformations experienced during trips. The conversation reveals how environmental factors play a crucial role in these studies and underscores the need to understand the mechanisms at play—vital for guiding the future direction of research into these fascinating substances.

A neuroscientist reveals that marathon running may temporarily deplete myelin in the brain, potentially impacting neural function. This fascinating research could pave the way for new treatments for neurological issues. Meanwhile, astronauts experiment with fermenting miso in space, discovering unique flavor changes upon return to Earth. Additionally, the incredible echolocation abilities of bats are explored, showcasing their advanced navigation skills that could inspire future technology in robotics. All this illustrates the delightfully diverse intersections of science!

Freelance science journalist Sushmita Pathak, an expert on tornado geography, joins guest host Berly McCoy to discuss Tornado Alley, home to around 1,200 tornadoes each year. They dive into why this region sees so many more tornadoes than other parts of the world, attributing it to geographical factors. Pathak contrasts conditions in Central South America, revealing intriguing disparities. The duo also examines the impact of climate change on tornado activity, highlighting the complexity of environmental influences beyond just increasing temperatures.

Jonathan Lambert, NPR reporter with a focus on evolutionary biology, dives into the astonishing story of how Fijian iguanas made their way nearly 5,000 miles across the ocean. The discussion reveals that these creatures might have traveled on floating tree clumps, a phenomenon observed after hurricanes in the Caribbean. Lambert shares insights from recent studies that counter conventional theories, highlighting the impact of rare events on evolutionary paths and the challenges scientists face in piecing together the iguanas' fascinating history.