
Short Wave
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
Latest episodes

21 snips
Jul 9, 2025 • 13min
Evolution Went On Trial 100 Years Ago. Where Are We Now?
Nell Greenfieldboyce, NPR science correspondent, dives deep into the significance of the Scopes 'Monkey Trial' on its 100th anniversary. The discussion reveals how this landmark event exposed cultural rifts that persist in today’s society. Greenfieldboyce highlights its impact on evolution education in America, reflecting on challenges faced by educators since. She explores the orchestrated nature of the trial and its surprisingly quick verdict, while drawing parallels to modern controversies around teaching evolution in schools. A fascinating journey through history and its echoes in the present!

24 snips
Jul 8, 2025 • 13min
Itchy? Air Pollution May Be Making It Worse
Raj Fadadu, a resident physician in dermatology at UC San Diego, dives into the intriguing link between air pollution and eczema. He discusses how environmental factors, particularly wildfire smoke, can trigger and worsen this skin condition. Insights on prevention and effective treatments are shared, along with the impact of climate change on skin health. With up to ten percent of Americans affected, Fadadu sheds light on the importance of understanding these connections to manage symptoms better.

12 snips
Jul 7, 2025 • 12min
Sea Camp: Why Are Ocean Currents Shifting?
Hannah Chin, a Producer at Short Wave, dives into the fascinating world of ocean currents and their crucial role in our climate. She explains how a warming climate is shifting upper ocean currents, leading to potential sea level rise and altered fish migration patterns. The conversation touches on historical ocean mapping and highlights the impact these changes have on marine ecosystems and human life. Tune in to explore the intricate relationship between the ocean and our ever-changing planet.

19 snips
Jul 4, 2025 • 10min
Why Dew Point Is This Summer's 'It Girl'
Dive into the intriguing world of dew point as meteorologists explain why it's the key to understanding summer heat. Discover how dew point affects outdoor comfort, especially for cyclists. Learn about the nuances of relative humidity and its impact on your plans. With engaging analogies and expert insights, the discussion highlights the critical role of dew point in predicting heat stress and its implications amid climate change. Get ready to stay cool and informed this summer!

28 snips
Jul 2, 2025 • 13min
Is The Milky Way On A Collision Course?
Two captivating hosts dive into the cosmic drama between the Milky Way and Andromeda galaxies. They unravel the surprising new research suggesting our galaxy may not collide as once thought. Explore the complexities of galactic dynamics and the influence of dark matter on their potential interactions. Discover the awe-inspiring outcomes of this cosmic dance, including star formation and how our night sky might transform. Plus, get ready for some stargazing tips and a whimsical peek into the idea of human-alien hybrids in the universe!

30 snips
Jul 1, 2025 • 13min
On July 4th, Are You A Thrill- Or Chill-Seeker?
Ken Carter, a clinical psychologist at Oxford College of Emory University, dives into the fascinating world of sensation-seeking behavior. He discusses how brain chemistry influences whether individuals are thrill-seekers or chill-enthusiasts, especially during high-energy events like Independence Day. The conversation touches on the impact of early trauma on these preferences and offers insights into managing risks. Plus, you'll find out what Ken and Emily scored on his sensation-seeking scale from his book, Buzz!

18 snips
Jun 30, 2025 • 14min
RFK Jr.'s New Vaccine Advisors Signal Big Changes
Pien Huang, an NPR public health correspondent specializing in vaccine policy, discusses significant changes within the CDC’s Advisory Committee on Immunization Practices (ACIP). Recently, all experienced members were replaced with new ones, raising alarms about misinformation in vaccine discussions. She shares insights from the committee's first meeting, highlighting debates over vaccine safety, including concerns about thimerosal, and the implications for public trust. Huang emphasizes the risks of politicizing vaccine recommendations and its impact on public health.

41 snips
Jun 27, 2025 • 9min
Aha! The Power Of A Short Rest
Discover how a mere 20-minute nap could spark your next big idea, according to recent research from Germany. Dive into the cosmos with stunning images of an exoplanet and learn about the complex processes of planet formation. The conversation also takes a turn to address the long-lasting effects of wildfires on watershed water quality, highlighting the importance of monitoring contamination. Finally, hear strategies for enhancing resilience in our water systems to combat climate change's escalating risks.

Jun 25, 2025 • 12min
When Eavesdropping Pays Off
Discover the quirky science of animal eavesdropping as an ornithologist employs a taxidermy badger on a remote-controlled car to investigate prairie dog communication. Explore how prairie dogs act as keystone species, shaping their grassland ecosystems. Learn how long-billed curlews cleverly use prairie dog alarms to detect predators, showcasing remarkable survival strategies. Delve into the urgent conservation efforts needed to protect these unique habitats and the vital roles these animals play in maintaining ecological balance.

18 snips
Jun 24, 2025 • 13min
Does It Feel Like Mosquitoes Are Getting Worse?
Hannah Chin, a producer for NPR, dives into the alarming rise of mosquito populations linked to climate change. She reveals how warmer, wetter conditions are affecting mosquito behavior and habitat, contributing to increased disease transmission. Ecologists provide practical tips for protecting against these pests, such as using EPA-approved repellents and altering outdoor plans to avoid peak biting times. The conversation emphasizes the urgent need for awareness and adaptation in the face of changing environmental factors.