On Today's Podcast
Why Astronomers Are Excited About Comet 3I/ATLAS’ Close Approach
Comet 3I/Atlas is just the third known object to visit us from outside our solar system. So yes... we'll be talking about aliens.
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.
11:40
Blood Clots Linked To COVID-19 Are Raising Alarm
Doctors are seeing unusual blood clotting in some patients hospitalized with the novel coronavirus.
16:42
Mapping Migration In Asia Through Ancient Genomes
Tracking 26 ancient genomes helped researchers map human migration across Asia 10,000 years ago.
33:28
Environmental Protection Apocalypse: What’s Happening to the EPA?
The Trump administration is paving the way for polluters.
COVID-19 Mortality Is Worsened By Air Pollution, New Research Finds
A Harvard research team finds that an increase of one part per billion of air pollution is linked with an 8% increase in COVID-19 mortality.
Help Us Improve Citizen Science!
Take SciFri’s survey and be a part of a research study to help make citizen science more fun and open to everyone!
How To Ferment Your Own Amazake
Two chefs create a recipe for fermenting the foundation of sake and rice-based alcohols—all with a dash of chemistry.
10:37
Global Flare-ups Of COVID-19 Hot Spots
Countries that were touted as early successes in “flattening the curve” are seeing flare-ups of COVID-19 outbreaks.
16:49
Koji: The Mold You Want In Your Kitchen
The fluffy white mold has transformed food for centuries—and it’s a perfect tool for culinary experimentation.
11:40
Monitoring Your Pandemic Health, From Your Home
New at-home tests and health monitoring devices may give a new picture of the COVID-19 pandemic.
16:42
Galileo’s Battle Against Science Denial
How Galileo’s fight for science against skeptics is more relevant than ever.
17:15
Fact Check My Feed: Finding The Falsehoods In ‘Plandemic’
Plus, a breakdown of this week’s COVID-19 news, including what we do and don’t know about the virus in semen and coronavirus mutations.
Listen To Your Valley Fever Stories
Family, friends, and patients tell their experiences with the fungal disease. Hear their stories.
11:23
Coronavirus Mutations Aren’t Necessarily Bad News
Why we need to slow down and look carefully at new coronavirus research, plus why so-called ‘murder hornets’ aren’t a reason to panic.
12:07
As You Snooze, Your Brain Reviews
People implanted with a brain-computer interface ‘replayed’ newly-learned behaviors while dozing off.
17:15
How Do We Build Trust Into Contact Tracing?
Governments and companies are building digital solutions to trace COVID-19’s spread. But public health experts say human labor and trust is irreplaceable.
16:24
Making A New Map Of The Moon
USGS scientists used their expertise in map-making to catalogue the geology of the moon.
34:08
The Many Ways COVID-19 Exacerbates Pre-existing Inequality
COVID-19 is disproportionately impacting Black, Latino, and Native American communities. Why?
The Bots And Bees
Two Harvard engineers master the RoboBee to create a future fleet of flying, mini machines.
Go On A Hunt For Metals!
A magnet and a penny will help you become a human metal detector.