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.
Use Magnetic Fields To Understand Space Weather
The interaction between the Sun’s solar winds and the Earth’s magnetic fields creates beautiful auroras. Learn why with hands-on experiments.
12:05
Don’t Trust What You See On TikTok This Election Season
Research found the social media platform allowed 90% of misleading political ads to run—even though they contradicted TikTok’s own policies.
17:07
Looking Ahead To Our Third Pandemic Winter
The Omicron wave’s peak killed 2,600 people per day last winter. How might new variants and boosters affect the vulnerable this year?
12:17
Why Do Cats Purr? An Investigation Into A Purr-fect Mystery
One of the most wonderful sounds in the world is also one of the most mysterious. Here’s what scientists do and don’t know.
11:54
How To Digitally Recreate Darth Vader’s Voice From A War Zone
A Ukrainian AI company was hired to mimic the Star Wars’ villain’s voice for the franchise’s next films. Then Russia invaded.
5:14
Toxic Death Cap Mushrooms Take Root In The Mountain West
A highly poisonous, hard-to-eradicate species of mushroom has found its way from Europe to California and Idaho.
16:37
Will A Hotter World Make Jellyfish Haute Cuisine?
As climate change threatens fisheries, experts say jellyfish could be a food we’ll taste more of in the future.
17:08
When Studying Ecology Means Celebrating Its Gifts
Bestselling author Robin Wall Kimmerer discusses the role of ceremony in our lives, and how to celebrate reciprocal relationships with the natural world.
The Science Of Sunlight And Shadows
Track sunlight and shadows as you investigate the science behind day and night, the seasons, and eclipses.
The Awesome Energy Of The Sun
Experiment with the effects of ultraviolet light as you explore the electromagnetic spectrum from the Sun.
Gravity And Centripetal Force In Our Solar System
Become the Sun as you experiment with the many ways that motion, gravity, inertia, and centripetal force shape our solar system.
12:00
A Boost For U.S. Electric Vehicle Battery Production
The government promises billions to boost production of electric vehicle batteries.
7:41
The Mysterious Case Of Alaska’s Crabs
King and Snow crabs are huge economic drivers for Alaskan fishermen. As populations dwindle, two of the state’s crab seasons are canceled.
9:12
In Hawai’i, Conservation Has Also Provided Fishermen Economic Benefits
Research at a sacred cultural site—and the world’s largest no-fishing zone—suggests it’s also providing benefits outside its borders.
11:41
The Science Behind Why You Should Ask For Help
It’s easy to worry about inconveniencing others, but research shows people are often quite willing to help others.
7:43
A Possible Achilles Heel For Troublesome PFAS Chemicals
New research points to a promising way to break down PFAS, the “forever chemicals” that make up nonstick pans and waterproof coatings.
9:43
Engineered Bacteria Might Help The Dream Of Mixed Plastic Recycling
Using a combination of both chemical and biological processes, this new recycling method may eliminate the need to separate types of plastic.
16:37
How Understanding Depression Goes Beyond The Scientific Method
Podcast host and author John Moe discusses his own experiences with depression, and what he’s learned interviewing others with the illness.
17:26
Climate Change’s Toll On Our Social Fabric
Research points to more conflict when our climate changes. Plus, the intergenerational effect of a climate-driven disaster.
Meet Us For A Field Story, Our New Science-Inspired Beer
The Science Friday team helped make a new beer with Sixpoint Brewery called A Field Story! You can grab a can with us on November 10.