July 11, 2025
A century after a teacher went on trial for teaching evolution, the role of science in the classroom and in society remains in contention. Plus, tick seasons are getting worse, raising concerns about the risk of Lyme disease. Dogs can get vaccinated for it. Why can't humans? And, as disasters escalate, what's the future of FEMA?
21:21
After A Year in Space, Subtle But Lingering Changes
From telomeres to immune response, how astronaut Scott Kelly’s gene expression changed after a year on the ISS.
8:00
How Citizen Science Can Speed Up Alzheimer’s Research
A citizen science game uses the power of the crowd to identify stalled blood cells.
16:19
The Cherry Blossom Hunter
Collingwood “Cherry” Ingram was a British ornithologist who gave up studying birds and became obsessed with flowering cherries instead.
34:15
Plunging Into The Physics Of The First Black Hole Image
Event Horizon Telescope scientists break down the brand new image of the supermassive black hole at the center of nearby galaxy Messier 87, and explore what lies beyond in black hole science.
Where Does Black Hole Science Go After The First Picture Of One?
Researchers who worked on the Event Horizon Telescope have released the first image of a black hole’s shadow. Now what?
The Very First Image Of A Black Hole
After 20 years of coordinating a global network of radio dishes, the Event Horizon Telescope photographed the shadow of a black hole.
The Origin Of The Word ‘Seaborgium’
For 20 years, it was known simply as “element 106.”
Play Event Horizon Bingo!
Remember: When it comes to amazing science, we’re all winners.
SciFri Extra: Picturing A Black Hole
The Event Horizon Telescope aims to take an image of a black hole. In this archival interview, astronomers describe the project’s methods and goals.
Egghead: The Genius Of Birds
On August 29 in NYC, birds of a feather will nest together for this edition of the Science Friday Book Club, as we explore ‘The Genius of Birds.’
Science Friday Live In San Antonio
On Saturday, August 10, we’re heading to San Antonio, Texas to learn about local science.
Do Ice Baths Work?
Long story short, they may reduce pain, but they don’t speed the healing process.
6:15
From Atoms To Airplanes And Polymers To Planets
The spring 2019 meeting of the American Chemical Society in Orlando included transparent wood, VR labs, and medicinal nanoparticles.
5:49
Missouri Looks To Regulate Coal Ash Ponds
Toxic coal ash is contaminating groundwater around the state. Will proposed new regulations be enough?
16:31
How The Sap Runs
Scientists tap into how trees move gallons of fluids from the ground to the atmosphere every day. Plus, the freeze-thaw secrets of sugar maple trees.
9:24
Fertile Soil, Washed Away
Lost topsoil may be the biggest long-term damage to this year’s flooded Midwest farms.
7:43
How Will These Long-Lived Trees Adapt To Climate Change?
Bristlecone pines—one of the longest living tree species—has to adapt and change its habitat in the face of climate change.
11:52
Right-To-Repair Would Let You Fix Your Own Devices
As our phones and cars include more software, advocates say we should have the right-to-repair our own devices.
17:02
What’s The Best Way To Recover After A Workout?
It turns out, there’s no right answer. Science writer Christie Aschwanden debunks our most commonly held beliefs about sports recovery with science.