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Listen to Science Friday live on Fridays from 2-4 p.m. ET
February 28, 2025
A federal DEI ban is already prompting changes across science agencies. How will it affect medical research? A journalist traveled to five continents to learn about the afterlife of our trash, and why most “recyclable” plastic actually isn’t. And, the ocean liner SS United States will become an artificial reef in Florida. How do artificial reefs work?
7:49
Introducing Our New Show: Undiscovered
Science Friday has a new show! It’s called Undiscovered, and it tells the back stories of great scientific discoveries.
15:08
But Really, Can You Stand In Front Of The Microwave?
We’ve been nuking our food for 50 years. Why are some people still worried about their safety?
14:13
Sea Spray’s Tie To The Sky
New research explores how the ocean’s aerosols can affect the climate, from weather to cloud properties.
8:58
How Older Brains Could Benefit From Marijuana
The research shows promise, but there are a lot of conditions.
7:51
The Comeback Of The New Zealand Sea Lion Pup
The rarest species of sea lion lives on the islands of New Zealand and has made a recent comeback to the mainland.
25:55
Ancient Homo Naledi May Have Walked Alongside Early Humans
New 3D models of Homo naledi fossils help researchers better understand the human family tree.
7:14
Cassini Acrobatics, Phishing, And The Evolution Of A Skunk
The Cassini spacecraft is in the midst of a series of dives through Saturn’s rings.
4:49
Despite Investment, A Shortage Of Spacesuits
Will NASA finish the next batch in time for future deep-space missions?
7:14
Between A Rock And A Hard Place, Life Thrives
In the driest deserts, hardy bacteria cling to the underside of translucent rocks, eking out an existence where nothing else can.
9:05
What Happens When ‘The Sun Throws A Glitter Bomb’
The interaction of charged particles from the sun with the Earth’s magnetic field can create a dazzling light show in the upper atmosphere.