Science Quickly

Have you ever wondered how woodpeckers pound away without breaking their neck? We’ve got the answer—plus, why this flu season has broken a record, how AI is learning to predict disease from your sleep, and what CES 2026 showed about the biggest tech trends, including “physical AI” in the form of robots and other devices. Recommended Reading: This Year’s Flu Season Just Surpassed a Grim New Record Harsh Flu Season May Be Driven by New Variant K How Woodpeckers Turn Their Entire Bodies into Pecking Machines At CES 2026, AI Leaves the Screen and Enters the Real World ​​Stevie Wonder’s Rule for AI at CES: ‘Make Life Better for the Living’ E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. This episode was edited by Alex Sugiura, with fact-checking by Jennifer Hackett, Shayna Posses and Aaron Shattuck. Our theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Drugs known as glucagon-like peptide-1 receptor agonists, colloquially called GLP-1 medications, have gone from relatively obscure diabetes treatments to blockbuster weight-loss medications. But is the hype backed up by science? In this episode, freelance science journalist Bethany Brookshire joins host Kendra Pierre-Louis to talk about how these drugs mimic natural hormones, why they’re so effective and what the latest research about their broader health effects says. Plus, we discuss what a recently rolled-out GLP-1 pill, the first of its kind approved for obesity, could mean for the future of weight loss. Recommended Reading: Wegovy Weight-Loss Pills Are Now Available in the U.S.—Here’s What That Means“Doctors Are Worried about Prescribing GLP-1s to Certain Patients,” by Bethany Brookshire, in National Geographic. Published online November 20, 2025 “The Unexpected Ways Ozempic-like Drugs Might Fight Dementia,” by Bethany Brookshire, in National Geographic. Published online June 17, 2025  “Is There Really an Ozempic Baby Boom? The Unexpected Ways GLP-1s Could Influence Fertility,” by Bethany Brookshire, in National Geographic. Published online November 4, 2025 E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. This episode was edited by Alex Sugiura, with fact-checking by Shayna Posses and Aaron Shattuck. Our theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Recent federal public health changes could affect children’s health, from vaccine access to essential medical care. In this episode, senior editor Dan Vergano breaks down what shifting national guidelines may mean for kids, why pediatric care is especially vulnerable and how states and medical experts are responding to protect families. Learn how these evolving health policies could shape long‑term outcomes for children and what’s at stake for public health in the U.S. Recommended Reading: U.S. Axes Number of Recommended Childhood Vaccines in Blow to Public Health Trump Administration Moves to Severely Curtail Access to Gender-Affirming Care for Minors U.S. Plan to Drop Some Childhood Vaccines to Align with Denmark Will Endanger Children, Experts Say E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. This episode was edited by Alex Sugiura, with fact-checking by Shayna Posses and Aaron Shattuck. Our theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Why do most New Year’s resolutions fail? And how can science help us stick to them? Behavioral economist Katy Milkman joins Science Quickly to explain the “fresh start effect,” the motivational boost we get from temporal milestones such as the arrival of a new year, birthdays or even Mondays. She shares how to build habits that last and reveals why enjoying the process is key to real change. Recommended Reading: How to Change: The Science of Getting from Where You Are to Where You Want to Be. Katy Milkman. Portfolio, 2021 New Year’s Resolutions Are Notoriously Slippery, but Science Can Help You Keep Them Choiceology, a podcast hosted by Katy Milkman  Katy Milkman’s substack  E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. Shayna Posses and Aaron Shattuck fact-check our show. Our theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

From viral slang such as “skibidi” to the rise of so-called brain rot, linguist and content creator Adam Aleksic, aka the “Etymology Nerd,” and associate editor Allison Parshall, who covers the mind and brain, unpack how social media and algorithms are reshaping the way we communicate. This episode first aired in September. Recommended Reading The Internet Is Making Us Fluent in Algospeak E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Kendra Pierre-Louis, Fonda Mwangi, Sushmita Pathak and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. Our theme music was composed by Dominic Smith. This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Learn more about your ad choices. Visit megaphone.fm/adchoices