

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

94 snips
Feb 10, 2025 • 13min
The Dangers Of Mirror Cell Research
Carl Zimmer, a New York Times science reporter and author, dives into the intriguing yet alarming world of mirror cell research. He explains how life on Earth favors right-handed molecules and the theoretical risks of creating mirror microbes. Scientists are urging caution due to the potential catastrophic effects on ecosystems and biodiversity. Zimmer addresses misconceptions, emphasizing the ethical responsibility in scientific advancements. Could the pursuit of mirror life disrupt nature as we know it? Tune in to explore this thought-provoking topic!

16 snips
Feb 7, 2025 • 10min
How Physics Could Make Big Crowds Safer
Discover the intriguing connection between crowd behavior and fluid dynamics, revealing how cheering crowds mimic the movements of water. Learn about the vital insights researchers hope to use for ensuring safety in large events. Delve into how time of day influences our moods and the fascinating fossil discovery of an ancient bird that could reshape our understanding of avian evolution. Uncover the lessons ancient fossils teach us about biodiversity and the significance of past events in shaping our current environment.

34 snips
Feb 5, 2025 • 14min
Microbes: It's Complicated
Devaki Bhaya, a molecular ecologist from Carnegie Science, dives into the fascinating world of microbial communities in extreme environments like Yellowstone. She discusses why studying microbes in groups reveals their cooperative behaviors and evolutionary strategies. The conversation highlights unique adaptations of these extremophiles, the impact of horizontal gene transfer, and the value of collaborative science in understanding these tiny powerhouses. Prepare to see the beauty in what seemed hellish!

49 snips
Feb 4, 2025 • 13min
Why Black Holes Are More Than They Seem
Black holes are often seen as cosmic villains, but they have a surprising dual role. They not only consume matter but also spew out powerful jets, influencing the very structure of galaxies. The discussion highlights the impressive jets emitted by supermassive black holes, like M87’s massive black hole, showcasing their fascinating dynamics. Delving into the Blandford-Znajek mechanism, the conversation reveals how black holes can convert absorbed energy into powerful jets, shaping cosmic evolution and even impacting star formation.

4 snips
Feb 3, 2025 • 12min
Not All Nature Comebacks Are Equal
In this engaging discussion, science reporter Dan Charles sheds light on why some experts argue for letting abandoned land reclaim its natural state. Ecologist Gergana Daskalova shares her personal journey back to her deserted Bulgarian village, exploring how urban migration impacts rural communities. They debate the balance between stewardship and allowing nature to flourish on its own. Listeners discover the complexities of biodiversity in these changing environments and the innovative strategies for managing abandoned land as agriculture shifts.

45 snips
Jan 31, 2025 • 12min
10 Technologies To Watch
Amy Nordrum, the executive editor at MIT Technology Review, discusses the annual '10 Breakthrough Technologies' list. She highlights the challenges of distinguishing true innovations from fleeting trends. Topics include the game-changing Vera Rubin Telescope in Chile and its community collaborations. The conversation also covers revolutionary methane reduction technologies for cattle, as well as promising advancements in long-acting HIV medications and green steel production. Nordrum emphasizes how these developments could significantly impact health and the environment by 2025.

14 snips
Jan 29, 2025 • 14min
Farts To The Rescue
In this episode, freelance science writer Claire Ainsworth dives into the surprising significance of flatulence and gut health. She uncovers how over 40% of people face gut disorders and why understanding intestinal gases could lead to better treatments. Claire discusses innovative research techniques, including the Atmo capsule, a swallowable device that offers insights into digestive complaints. She humorously highlights how farts can be informative indicators of our overall health, challenging societal embarrassment and promoting a deeper understanding of our biology.

37 snips
Jan 28, 2025 • 13min
The Latest On Bird Flu
Will Stone, a health correspondent, sheds light on the alarming rise of bird flu in the U.S. He discusses California's state of emergency and the increase in human cases, mostly mild for now. Concerns about the virus evolving into a more dangerous strain are significant, as experts fear potential pandemic risks. Stone also touches on global outbreaks, the unusual spread among mammals, and the government's cautious approach towards vaccine development using mRNA technology. He emphasizes the importance of public awareness while reassuring about the current low risk to health.

24 snips
Jan 27, 2025 • 13min
Moths, Owls And Fungi With Over 20,000 Sexes...Oh My!
Join a fascinating night hike through Patuxent River State Park, where unique winter adaptations take center stage. Discover how lichen glows under UV light and meet bioluminescent mushrooms that enchant the night. Learn about the thrilling search for salamanders and wildlife, and dive into community science events like the City Nature Challenge. This adventure emphasizes the connection between nature and humanity, highlighting both the magic and ecological importance of our environment.

7 snips
Jan 24, 2025 • 9min
Peeing Is Contagious!
Curious about why chimpanzees sometimes pee in sync? A dedicated grad student logged over 600 hours observing this odd behavior, revealing insights into social dynamics and rank. The discussion also uncovers the latest research on chorus waves that challenge previous beliefs about Earth's magnetic field. From hiking through the wild to innovations in vegan cheese, this journey explores the quirks of science and culinary creativity, including perfecting the ultimate grilled cheese with innovative cheese formulations.