On Today's Podcast
How Did Vaccine Policies Actually Change In 2025?
After a year of near-daily headlines about changes to vaccine policy, what has actually changed? And what do we need to know?
Listen NowDecember 19, 2025
A newly identified amoeba can survive at the temperature of a medium-well steak. Plus, a distant lava planet shows signs of an atmosphere. And, this Christmas Bird Count, we salute the fabulous, underappreciated, common species. Here’s to you, house sparrow.
16:53
App Chat: Assistive Technology
For people living with disabilities, smartphones present both unique challenges and benefits.
SciFri Book Club Meetup
Meet the author of “The Soul of a New Machine” at Google’s New York City headquarters.
Quiz: Is This Panda Pregnant?
Take our Panda Pregnancy Test to see how much you know about panda reproduction.
A Drone’s-Eye View Of An Algae Bloom
This picture, shot by a drone, reveals the verdant fingers of a blue-green algae bloom.
The Origin Of The Word ‘Thermometer’
The term first appeared in an early “puzzle book” full of scientific brainteasers.
12:11
Venomous Frogs, a Polar Bear World Record, and Printing Pills
A polar bear dives longer than ever before, and researchers in Brazil discover two venomous frogs.
9:10
The SciFri Book Club Reads ‘The Soul of a New Machine’
This August, the SciFri Book Club reads Tracy Kidder’s Pulitzer Prize-winning account of the creation of a new computer.
11:43
Rats on the Job
The average rat sleeps all day and eats garbage all night…but some of them have jobs to get to.
17:20
Keeping Cool (Without Making Global Warming Worse)
The global demand for air conditioning isn’t sustainable, so what other options do we have?
10:08
Can Babies Take A Joke?
Researchers say toddlers can figure out when their parents are joking.
6:17
Video Pick: The Unlikely Tale of a Tenacious Snail
For over 70 years, no one had seen the oblong rocksnail, until one spring day in 2011.
Join the SciFri Book Club This Summer
This August, the SciFri Book Club reads Tracy Kidder’s love letter to computer engineers, “The Soul of a New Machine.” Here’s how to participate.
The Curious Case Of The Blue Morpho Butterflies
Biologists are using the medley of blues and browns in these wings to help them understand butterfly wing development.
The Unlikely Tale of a Tenacious Snail
For over 70 years, no one had seen the oblong rocksnail, until one spring day in 2011.
12:13
Polio-free Nigeria, Ant Cooperation, and Tweet Takedowns
Brooke Borel, of Popular Science and the blog Our Modern Plagues, shares this week’s top science news.
17:32
Deconstructing School Discipline
Researchers rethink discipline in an effort to break down the “school-to-prison” pipeline.
8:00
Can Intestinal Bacteria Shape Response to Early-Life Stress?
A new study investigates the link between the gut and the brain in mice.
8:18
So Flashy: The Chemistry Behind a Firefly’s Glow
Scientists work to understand the chemistry and benefit of firefly flashes.