Nov 21

The Hidden Worlds of ‘Nanocosmos’

In his new book, Nanocosmos: Journeys in Electron Space, artist and writer Michael Benson transforms scientific imaging into art, capturing intricate natural designs that inspire awe and wonder. Join host Kendra Pierre-Louis as they explore how science and creativity intersect at ... Show More

24m 20s

Nov 19

Gut Health Tips for the Holidays

Holiday meals can delight our taste buds while the food puts real strain on our digestion. Host Kendra Pierre-Louis talks with Northwestern University gastroenterology expert Kathryn Tomasino about why digestion is influenced not just by diet but also by stress, sleep and mindful ... Show More

16m 57s

Nov 17

The Digital Time Capsule That Survived Two Decades

Our editor in chief David M. Ewalt revisits a remarkable 20-year experiment: an e-mail time capsule designed to deliver digital messages from the past into the future. What began as a tech project at Forbes evolved into a story of human connection—proving that sometimes it’s frie ... Show More

14m 5s

Nov 2024

Why Weight May Not Be the Whole Story on Health

Could our fixation on weight actually be harming, rather than helping, people’s health? Host Rachel Feltman is joined by Ragen Chastain, a writer, researcher and board-certified patient advocate, to discuss how weight stigma could be fueling many of the negative health outcomes w ... Show More

24m 41s

Oct 2024

What Do Societal Beauty Standards Have to Do with Breast Cancer?

Host Rachel Feltman is joined by Jasmine McDonald, an assistant professor of epidemiology at Columbia University’s Mailman School of Public Health, to discuss the disturbing trend of an increase in early-onset breast cancer diagnoses. They explore how chronic exposure to endocrin ... Show More

23m 35s

Jul 2025

This Surgery Can Lead to Weight Loss—But Stigma Is Harder to Shake Off

Each year more than half a million people undergo bariatric surgery, a procedure geared toward weight loss. But research shows that stigma around weight can continue to affect people’s lives even during recovery from the procedure. Larissa McGarrity is a clinical associate profes ... Show More

15m 48s

Jun 2025

Why Your Gut Loves a Good Workout

Host Rachel Feltman explores the surprising connection between exercise and the gut microbiome with Scientific American contributing editor Lydia Denworth. Drawing from her latest reporting, Denworth explains how aerobic activity can influence the microbial ecosystems in our dige ... Show More

9m 51s

May 2025

Do Mitochondria Talk to Each Other? A New Look at the Cell’s Powerhouse

Mitochondria are known as the powerhouse of the cell—but new research suggests they might be far more complex. Columbia University’s Martin Picard joins Scientific American’s Rachel Feltman to explore how these tiny organelles could be communicating and what that might mean for e ... Show More

27m 4s

Sep 5

Inside the Turmoil at the CDC

In this episode of Science Quickly, host Rachel Feltman is joined by associate editor for health and medicine Lauren J. Young to unpack the growing unrest at the Centers for Disease Control and Prevention following the departure of the agency’s director Susan Monarez. As criticis ... Show More

14m 2s

Oct 15

Why Is Lung Cancer Surging among Young Women?

Lung cancer is the leading cause of cancer death among U.S. women, surpassing breast and ovarian cancer combined. Thoracic surgeon Jonathan Villena explains why younger nonsmoking women are increasingly affected—and how early screening could save lives. Recommended Reading Most P ... Show More

16m 17s

Aug 22

Could Peanut Allergies Be Cured?

Peanut allergies have surged dramatically in recent decades, and scientists are still working to understand why. In this episode, journalist Maryn Mckenna, who recently authored an article on the subject, and host Rachel Feltman explore the latest research on causes, treatments a ... Show More

20m 29s

Sep 17

The Role Our Microbiome Plays In Our ‘Gut Feelings’

Scientists are tuning in to a surprising conversation happening inside us—between our gut and our brain. Host Rachel Feltman chats with Maya Kaelberer, an assistant professor at the University of Arizona’s department of physiology, to explore how intestinal cells and microbiomes ... Show More

13m 26s

Oct 22

The Science of a Convincing Sorry

What makes an apology sound sincere? Psychologist Shiri Lev-Ari joins host Rachel Feltman to explore how the effort we put into our words—especially through longer, easier-to-understand language—can signal genuine remorse. New research reveals that even subtle linguistic choices ... Show More

11m 16s

Why Weight May Not Be the Whole Story on...