

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

13 snips
Sep 29, 2025 • 13min
Why Do Some Hurricane Survivors Thrive After Disaster?
Rhitu Chatterjee, NPR’s mental health correspondent, dives into the surprising concept of post-traumatic growth following disasters like Hurricane Katrina. She shares research insights revealing that many survivors, despite experiencing PTSD, report significant personal growth and resilience over time. The discussion highlights the importance of financial stability and social support in recovery. Personal stories, including that of Nunok Pham, illustrate how helping others can amplify one's own healing, akin to the art of Kintsugi, where beauty is found in the mended cracks of life.

15 snips
Sep 26, 2025 • 13min
A Surprising Cause Of Endometriosis Could Lead To Cure
In this engaging discussion, science journalist Meredith Wadman joins Katie Burns, a researcher with a personal connection to endometriosis. They explore groundbreaking findings linking the immune system to the origins of the disease. Katie shares her journey from suffering pain since childhood to uncovering new evidence involving immune cells like neutrophils and macrophages. The duo also discusses promising treatment avenues, such as antibody therapies, and the challenges posed by limited funding in this crucial area of research.

40 snips
Sep 24, 2025 • 15min
Tylenol and Autism: What’s True and What Isn’t
Helen Tager-Flusberg, an esteemed autism researcher and founder of the Coalition of Autism Scientists, discusses the recent controversial claim linking Tylenol use to rising autism rates. She highlights that increased awareness and better diagnostics contribute to higher autism prevalence. Tager-Flusberg also explains the complexities of studying acetaminophen's effects and the importance of rigorous studies on potential treatments like leucovorin. She stresses the risks of avoiding pain relief during pregnancy and advocates for understanding autism's variability and humanity.

45 snips
Sep 23, 2025 • 11min
A Surprising Culprit of Food Allergies
Dr. Waheeda Samady, director of clinical research at Northwestern's Center for Food Allergy and Asthma Research, dives into the alarming rise in food allergies, now impacting 6% of Americans. She explains the mechanics behind allergic reactions, highlighting the role of immune cells and the significance of skin exposure in children. Dr. Samady also explores global differences in allergenic foods and offers insights into why roasting peanuts may actually heighten their allergenic potential, alongside strategies for managing food allergies.

24 snips
Sep 22, 2025 • 13min
Should You Try Red-Light Therapy?
Michelle Wong, a PhD chemist and science communicator known for her Lab Muffin Beauty Science channel, dives into the hype surrounding red-light therapy, a trend in the booming anti-aging market. She discusses how red and near-infrared light work at the cellular level, exploring its potential benefits for skin health. Wong also compares in-clinic treatments to home devices, highlighting the lack of research and potential risks. She emphasizes the importance of choosing evidence-backed products and reminds listeners about effective skincare basics like sunscreen.

49 snips
Sep 19, 2025 • 8min
Untangling The Science of Octopus Arms
Dive into the intriguing world of octopuses and their unique arm movements! Scientists have discovered that these remarkable creatures prefer to use their front arms for exploration, while the back ones are more for navigation. This behavior sheds light on the astonishing capabilities of their boneless arms, which function like a frog's tongue. Understanding these patterns not only unravels octopus behavior but also sparks ideas for advancements in soft robotics. Who knew that watching how an octopus moves could inspire technology?

28 snips
Sep 17, 2025 • 12min
What Does a Black Hole Collision Sound Like?
Nell Greenfieldboyce, an NPR science correspondent specializing in gravitational waves, joins to discuss the revolutionary way we've begun to 'listen' to the universe. She explains the science behind detecting gravitational waves and the profound events, like black hole collisions, that produce these cosmic sounds. Greenfieldboyce highlights how this detection reshapes our understanding of the cosmos, revealing surprising insights into the frequency of black hole mergers and their alignment with fundamental theories of the universe.

50 snips
Sep 16, 2025 • 15min
What Do Stem Cells Mean For The Future Of Parkinson's?
Dr. Claire Henchcliffe is a leading neurologist at UC Irvine, dedicated to advancing Parkinson’s research. She discusses the rise in Parkinson’s cases and highlights breakthroughs in treatment options, particularly the use of stem cells. Listeners will find her insights on early symptoms and neurological changes captivating. The potential of stem cell transplants is explored, emphasizing patient progress and the hope for future therapies that may even prevent the disease altogether. Join the conversation about the evolving landscape of brain science!

Sep 15, 2025 • 14min
The Surprisingly Long History Of Nose Jobs
Daniel Cohen, a bioengineer and Princeton University professor specializing in regenerative medicine, joins the discussion on the intriguing history of rhinoplasty. He reveals how nose reconstruction techniques date back over 2500 years, driven by factors like dueling and societal expectations. The conversation delves into the evolution of tissue regeneration, from ancient Indian practices to Renaissance advancements in Italy. Cohen also highlights modern innovations in bioprinting and lab-grown organs, showcasing the fascinating blend of history and cutting-edge science.

58 snips
Sep 12, 2025 • 13min
The Most Convincing Evidence Yet Of Life On Mars
Hemani Kalucha, a planetary scientist who recently completed her PhD at Caltech, discusses groundbreaking discoveries from NASA’s Perseverance rover, hinting at ancient life on Mars. She details intriguing millimeter-sized spots on Martian rocks in the Jezero Crater that could suggest past microbial existence. The conversation explores the significance of geological evidence and the thrilling prospect of returning samples to Earth for analysis. Kalucha also reflects on the philosophical implications of finding life beyond our planet.