

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

Nov 13, 2025 • 50min
How Chatbots Make Us Feel
Chatbots don’t have feelings of their own, but they’ve been stirring plenty of emotions in us humans. On this episode, we explore how AI is making us feel, and what those feelings say about us. We hear about using ChatGPT for DIY therapy, what kinds of personalities we prefer in our chatbots, and how both the market and online culture is responding to the spike in AI-generated content.

Nov 6, 2025 • 50min
How Veterans Find Healing After War
On this Veterans Day episode, we explore the invisible wounds of war — and the different paths veterans take to heal them. We talk with a Marine Corps vet about how ceramics helped him reconnect with civilian life, a retired Navy SEAL about his experience with psychedelic-assisted therapy, and a Vietnam vet who, decades after the war, found peace in an unexpected place.

Oct 30, 2025 • 55min
Cybercrime and How Hackers Prey on Human Nature
Cybercrime has been around for as long as computers have — but over the past 20 years, it's exploded into a global threat, with staggering financial, political, and even personal consequences. On this encore episode, we hear about the virus that ushered in the age of social engineering attacks, the history of cybercrime, and what led one man to become a hacker.

Oct 28, 2025 • 28min
Coca-Cola and a Secret Research Operation Meant to Exonerate Sugar
Coca-Cola is launching a cane sugar version of its classic soda in the U.S. after President Donald Trump urged a switch from high fructose corn syrup. The effort supports the administration's “Make America Healthy Again” initiative — but many experts argue that it won’t make a difference. On this episode, journalist Murray Carpenter discusses his new book, Sweet and Deadly: How Coca-Cola Spreads Disinformation and Makes Us Sick.

Oct 23, 2025 • 50min
Searching for Ghosts: The Quest to Prove the Paranormal
Ghosts seem far out of the realm of science. But small groups of investigators remain committed to proving — or disproving — the existence of paranormal phenomena. On this episode, we find out what motivates these investigators, and we’ll hear about a lab on the UCLA campus that studied paranormal activities.

Oct 16, 2025 • 48min
Inside the Boom of Urgent Care: How It’s Changing American Medicine
If it feels like urgent care centers are everywhere these days — that’s because they are. Over the past decade, they’ve exploded in popularity, offering a quick and convenient alternative to long waits at the ER, and even longer waits to see your primary care provider. On this episode, we explore the rise of urgent care, from the role of private equity to its impact on patient care.

Oct 14, 2025 • 21min
How David Fajgenbaum Found His Own Treatment & Launched Every Cure
What if treatments or even cures for devastating rare diseases already existed — and were just waiting to be discovered? On this podcast extra, we dive into the extraordinary journey of physician and researcher David Fajgenbaum, cofounder of Every Cure. After facing death five times due to a rare illness called Castleman Disease, Fajgenbaum not only discovered his own treatment, but also launched an ambitious project using AI to unlock existing drugs for countless other conditions. He has a new TED Talk and was recently featured in Time Magazine’s list of “The World’s Most Influential Rising Stars.” Fajgenbaum’s life is also the subject of an upcoming movie based on his memoir “Chasing My Cure.” Listen to his incredible story of resilience, the profound lessons he’s learned from living in "overtime," and how his work is already saving lives by repurposing treatments hiding in plain sight.

Oct 9, 2025 • 50min
Finding Focus in the Age of Distraction
We often think of digital distractions, from TikTok to newsfeeds, as a way of giving our brains a break. But in reality, they could be doing the opposite. We talk with psychologist Marc Berman about a better way of restoring our focus — spending time in nature. We also try a dopamine fast, to see if it can really improve our attention spans.

Oct 1, 2025 • 50min
The Search for the Golden Toad and Other Adventures in the Wild
Many adventurers and researchers feel the call of the wild — a force tugging them to explore, climb distant mountains, venture into faraway forests, and discover or rediscover something: a creature, a place, some new clue. On this episode: Adventures in the Wild, featuring the mythical golden toad, raging elephants, and poisonous snakes.

Sep 24, 2025 • 50min
Lessons on Weight Loss from ‘The Biggest Loser’
In its heyday, “The Biggest Loser” was one of the biggest shows on TV. But now, nine years after it went off the air, a Netflix docuseries and new book by leading obesity researcher Kevin Hall, are prompting a re-examination of the show’s tactics, and some of the surprising discoveries it led to surrounding metabolism and weight loss.


