

Short Wave
NPR
New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength.If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/shortwave
Episodes
Mentioned books

45 snips
Apr 21, 2025 • 14min
Should Humans Live On Mars?
Zach Weinersmith, a talented cartoonist and science writer, has dedicated four years to researching space settlement, co-authoring 'City on Mars' with his biologist wife, Kelly Weinersmith. Together, they dive into fascinating discussions about the feasibility of human life on Mars, examining the challenges of food production and reproduction in space. They also present compelling arguments about the harsh realities of colonizing another planet versus focusing on environmental issues here on Earth, sparking thought-provoking insights on humanity's future.

7 snips
Apr 18, 2025 • 9min
Good Vibrations: How Fiddler Crabs Mate
Male fiddler crabs use intricate courtship dances to attract mates, creating not just visual displays but also producing vibrations. New research reveals that these seismic signals play a crucial role in the mating process. The conversation shifts to lab-grown chicken nuggets, showcasing innovative techniques for sustainable meat production. Additionally, there's fascinating insight into psychedelic therapies, including a new molecule offering potential benefits without the psychedelic effects. It's a blend of nature's quirks and cutting-edge science!

43 snips
Apr 16, 2025 • 13min
How Nature Makes A Complex Brain
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.

35 snips
Apr 15, 2025 • 7min
Your Allergies May Be Getting Worse
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.

17 snips
Apr 14, 2025 • 12min
All Hail The Butt Flicker
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.

9 snips
Apr 11, 2025 • 13min
How Do Astronomers Find Exoplanets? Wiggles!
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!

23 snips
Apr 9, 2025 • 13min
Could Psychedelics Become Tripless?
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.

9 snips
Apr 8, 2025 • 12min
What If You Took The "Trip" Out Of Ketamine?
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.

16 snips
Apr 7, 2025 • 12min
Why The Trip Complicates Psychedelic Research
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.

47 snips
Apr 4, 2025 • 8min
Could Running Change Your Brain?
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!