On Today's Podcast
Telling the tale of human origins, one fossil tooth at a time
Yohannes Haile-Selassie has a talent for spotting fossils, and has discovered clues to several branches of the human family tree.
Listen NowSeptember 11, 2026
Scientists used fossil records and AI tools to reconstruct a soundscape of a Jurassic forest. Shorter courses of antibiotics may actually reduce antimicrobial resistance. Plus, a new study found a group of genes associated with fibromyalgia. And, as black bears return to their historic ranges across the U.S., human encounters are increasing. How can bears and people live in harmony?
12:13
Against Impossible Odds, The Warsaw Ghetto Stopped A Typhus Outbreak
Researchers find public health measures likely stopped a second wave of disease under impossible circumstances.
16:35
It’s Still A Wild, Wonder-Filled World
A new book of nature writing revels in creatures both strange and glorious—and explores why even a threatened world contains wonder.
17:08
Why A Medium-Sized Black Hole Is Surprising Physicists
The discovery of a medium-sized black hole offers new insights into how black holes form and grow.
The Ribbon Eel
In this excerpt of the book ‘World of Wonders,’ author Aimee Nezhukumatathil describes the life of the colorful ribbon eel—and how these creatures resurface memories of her son.
11:18
How Do You Solve The Problem Of Vaccine Distribution?
Questions swirl around how to prioritize who gets the first COVID-19 vaccines. Plus, an update on Space X’s Starlink satellite constellation.
17:11
Amid The Pandemic, Other Diseases Still Lurk
As resources are being devoted to fighting coronavirus, diseases like tuberculosis and HIV may resurge.
16:48
NYC’s Trees: A Natural Defense Against Heat, But Not Equally Shared
Creating an urban forest ecosystem can help reduce the impacts of climate change.
11:58
Can Fungus Survive Climate Change?
Networks of fungi play a critical role in forest ecosystems—but climate change is decreasing their diversity.
16:37
A Cellular Race Through A Maze
Cells can solve mazes. What does this mean for cancer research?
17:25
Fact Check My Feed: Are Kids Really COVID-19 ‘Super Spreaders’?
Headlines disagree about kids and COVID-19. Here’s what the data says.
Preview: The Science Friday Book Club Reads ‘New Suns’
Nisi Shawl edits an exciting collection of science fiction and fantasy by people of color. We’ll read it later this fall.
Why We Built A New SciFri Book Club Community Space
We are creating an online space catered to book clubbers. Join our new community to gather and discuss science books!
11:43
How Did Hurricane Laura Get So Bad, So Fast?
How Hurricane Laura got so powerful, so quickly. Plus the strange CDC decision to narrow recommendations for COVID-19 testing.
16:54
Ask A Cephalopod Scientist: Getting Our Arms Around Your Questions
How do you measure cephalopod intelligence? What is the largest cuttlefish? And other questions for a cephalopod scientist.
11:55
A Mysterious Gas Is Discovered In The Milky Way
The discovery of a strange gas raises questions about the activity in the center of the Milky Way Galaxy.
17:14
How Your Indoor Air Ventilation Affects Coronavirus Spread
A mechanical engineering professor explains how to lower your risk of infection inside.
16:57
Bacteria May Hold The Key To Cancer Immunotherapy
Researchers have discovered that a species of bacteria can help turn on immune T cells in mice.
17:26
The Body Remembers: COVID-19, The Immune System, And You
There’s still plenty we don’t know about the novel pathogen, but your immune system seems to learn how to fight off COVID-19.
When Restaurants Were Chic Soup Spas
The first restaurants were for fancy French people trying not to eat.
What Happens When You Don’t Shower For Five Years
Author James Hamblin hasn’t showered in five years. In this excerpt of his new book, he recounts his approach to personal hygiene.