June 27, 2025
In his new book, a former FDA commissioner unpacks the latest science on metabolism, weight loss, and how GLP-1 drugs actually work. Plus, the first images from the brand new Vera C. Rubin Observatory have finally been unveiled. And, researchers have observed a population of orcas that use kelp tools to scratch their backs.
27:41
A Debate Over How The Universe Began
While debating the origins of the universe, these mid-century researchers accidentally explained the origins of every element of matter.
2:00
The World According To Sound: Listening To Black Holes Collide
Some black holes sound like a wobbling top, while others rumble in low bass tones. Listen to them yourself, thanks to MIT professor Scott Hughes.
16:43
Is There A Method To Plant Mutation?
New research finds that some parts of plant genomes mutate more often—suggesting it may be time to rethink the randomness of evolution.
17:05
Omicron Sparks Surge In Pediatric Hospitalizations
Two pediatric infectious disease specialists answer listener questions about what’s behind the rise in omicron cases in kids.
The Debate That Sparked The Big Bang
How a 1940s horror movie inspired maverick physicist Fred Hoyle’s now-panned alternative to the Big Bang.
11:48
Omicron Variant Drives Winter COVID Surge
Everything you need to know about tests, revised quarantine guidelines, and forthcoming vaccines.
17:00
How Christmas Bird Counts Help Shape Science
Long-ranging records are helping track changing bird patterns.
12:14
How A Former Microsoft Exec Mastered The Perfect Slice—Using Science
Nathan Mhyrvold, author of “Modernist Pizza,” made over 12,000 pies to investigate the physics and chemistry of the perfect slice.
17:24
E.O. Wilson’s Indelible Mark On Ecology
Reflecting on the late naturalist’s extensive legacy.
17:32
The Fossil—And Family—Records Of Richard Leakey
A leading authority on paleoanthropology, Richard Leakey leaves behind an expansive body of work on human evolution.
17:17
Omicron May Be Less Severe. It’s Still A Big Healthcare Problem.
A breakdown of what to consider when talking about severity.
11:58
Glitter Gets An Eco-Friendly Glimmer
Chemists have developed a new way to make eco-friendly glitter from plant fibers.
25:39
Chilling Out With Unusual Ice
From pancake to frazil ice, an oceanographer shares insights into the Earth’s poles.
3:44
The Curious Case Of The Unmeltable Ice Cube
A non-melting ‘jelly ice’ cube could improve packaging and cold storage.
17:37
Francis Collins, Longest-Running NIH Director, To Step Down
An acclaimed geneticist who helped map the human genome, Dr. Francis Collins reflects on his long tenure at the NIH.
33:41
The Best Science Books Of 2021
Whether you’re spending down a holiday gift certificate or heading out to the library for winter page-turners, we’ve got you covered.
12:12
The Resurrection Of The American Chestnut
A once-common food staple, this giant tree has essentially disappeared from American forests. Can we bring it back—and should we?
16:42
Surfing Particles Can Supercharge Northern Lights
How the physics of plasma, particles, and the Earth’s magnetic field combine in dazzling displays of aurora.
29:14
Looking Back On A Century of Science
The archives of Science News offer a window into how science has progressed and changed over a hundred years.
16:40
Decking the Halls, Mathematically
How many calories does Santa consume? From Markov chains to matrices, mathematician Hannah Fry is here to optimize your holiday questions.