February 7, 2025
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists. Plus, an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments in a new book. And, why snow has that crisp, clean smell.
“Hearing Happiness” Facebook Watch Party With Jaipreet Virdi
Join us on Facebook for a Watch Party, where we’ll rewatch Ira Flatow’s interview with historian and author Jaipreet Virdi.
12:15
COVID-19 Vaccine Developers Promise Not To Rush Testing
As President Trump promises a vaccine before the election, some of the largest pharmaceutical companies plan to keep politics out of science.
16:56
These Moss Are Living Their Best Life—Under Rocks
Moss in the desert have learned to use rocks as sun shades.
An Argument For The Benefits Of Not Bathing
We’ve all been treating personal hygiene differently these days. Writer James Hamblin discusses breaking the rules around cleanliness.
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.