

The Pulse
WHYY
Go on an adventure into unexpected corners of the health and science world each week with award-winning host Maiken Scott. The Pulse takes you behind the doors of operating rooms, into the lab with some of the world's foremost scientists, and back in time to explore life-changing innovations. The Pulse delivers stories in ways that matter to you, and answers questions you never knew you had.
Episodes
Mentioned books

Sep 11, 2025 • 50min
The Science and Beauty of Muscles
Most of us take our muscles for granted, but they play a bigger role in our physical and mental health than most people realize. On this encore episode, we explore their cultural and scientific significance. We hear about the history of weight-lifting, along with how it went from niche hobby to medical treatment, and learn about the intricate biology and beauty of our muscles.

Sep 9, 2025 • 37min
The Science of Attraction and Dating
When we see surprising couples, like Liam Neeson and Pamela Anderson, we can’t help but wonder what brought them together. In this podcast extra, we explore the mysteries of attraction and love. We talk with researcher Paul Eastwick about the idiosyncratic factors that go into attraction, and behavioral scientist Logan Ury coaches us on the science of optimizing online dating.

Sep 4, 2025 • 50min
Mars Mania: How America Became Obsessed with Mars
We think of Martians as belonging to the realm of sci-fi — but in the early 1900s, a radical idea swept the nation, scientists included: that Martians weren’t only real, they were intelligent beings with their own sophisticated civilization. On this episode, we hear about the astronomer who pushed “Mars Mania,” and a cautionary tale of what happens when belief trumps science.

5 snips
Aug 28, 2025 • 50min
Why It’s Time to Rethink Productivity
It seems like we’re all constantly striving to be more productive — to find the right hacks or systems or habits that will allow us to squeeze more from our days. But is maximum productivity really desirable, or are we missing the bigger picture while running on that treadmill? On this episode, we look at productivity — what works, what doesn’t, and how we can redefine it in a changing world.

Aug 21, 2025 • 50min
Back to School in a Rapidly Changing World
David Zweig, an investigative journalist and author of 'An Abundance of Caution,' dives into the shaky decisions behind school closures during the pandemic and their profound impact on students. Holly Korbey, an education reporter and founder of The Bell Ringer, discusses the transformative role of AI tools like ChatGPT in classrooms. They address the challenges of adapting to new technologies, the intense pressures of 'Ivy League fever,' and the evolving landscape of education shaped by the pandemic and modern innovations.

Aug 15, 2025 • 27min
How Scientists Discovered Legionnaires' Disease
In the summer of 1976, when 2,000 people came to Philadelphia for a national convention of the American Legion, a strange illness gripped hundreds of attendees, and more than 30 people died. Symptoms included cough, shortness of breath, and fever. Was it a virus, bacteria, some sort of toxin? A major investigation was launched by the CDC — and the gathering in Philadelphia became forever tied to one of the greatest medical mysteries of our time. Almost 50 years later, reports of Legionnaires' Disease are in the news again. Reporter Elana Gordon tells the story of how scientists — with some serious shoe-leather detective work and a scientific breakthrough — tracked down the origin of this mysterious airborne illness. On this episode, we listen back to her reporting from 2016: Audio Time Capsule: The discovery of Legionnaires’ disease.

Aug 14, 2025 • 50min
Protecting the People Who Grow Our Food
Farming is a tough gig — physically, and mentally. And it’s only gotten harder in recent years, with the impact of climate change and a shifting political and economic landscape. On this episode, we explore the connection between farming and health, and how these new challenges are affecting the well-being of the people who produce our food.

Aug 7, 2025 • 50min
How Noise Affects Our Health
We live in a noisy world — from the din of busy restaurants, to the roar of traffic, to the clamor of partying neighbors. We’ll explore what researchers are learning about the connections between noise, hearing loss and our well-being.

Jul 31, 2025 • 45min
I Survived — Now What?
On this episode, we explore the stories of people who survived extraordinary trials, from life-threatening illnesses to assault, and ask what came after survival. We’ll hear what it’s like to survive — and come back from — locked-in syndrome, explore the emotional roller coaster of being a young cancer survivor, and find out how one writer created guide to intimacy after sexual assault.

Jul 30, 2025 • 36min
When Organ Donation Goes Wrong
More than a hundred thousand people in the U.S. are on the national transplant list waiting for a life-saving organ. Hospitals across the country transplant more than 45,000 organs each year and there are rules and protocols about how it is supposed to go. But what happens when the process fails?The New York Times investigative reporter Brian Rosenthal joins us to discuss some recent cases where doctors discovered that patients were still alive and conscious when the donation process was underway. He talks with host Maiken Scott about a relatively new method of procuring organs, called circulatory death donation, and new pressures on procurement organizations that could be jeopardizing safety.Rosenthal and his colleague Julie Tate recently published an investigation in The New York Times called, “A Push for More Organ Transplants Is Putting Donors at Risk.”