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Scientific American

Host Rachel Feltman, alongside leading science and tech journalists, dives into the rich world of scientific discovery in this bite-size science variety show.

Science, Quickly

In this year-end roundup, Scientific American editors break down how 2025 reshaped science across the board—from sweeping federal upheavals that disrupted long-standing research institutions to public health setbacks driven by vaccine rollbacks and rising measles cases to renewed hostility toward climate science and clean-energy policy and finally to the mind-bending dark energy findings that are shaking up cosmology. Together, their insights reveal how 2025 was a turbulent year for science on Earth and beyond—and what to watch closely in 2026.

Recommended Reading:

Cures for Sickle Cell Disease Arrive After a Painful Journey

NASA’s Moon Race Looks like a Losing Bet

Changing the FDA’s Vaccine Approval Process Could Threaten COVID, Flu Protection for Children

5 Charts Show Climate Progress as Paris Agreement Turns 10

Latest Dark Energy Study Suggests the Universe Is Even Weirder Than We Imagined

E-mail us at sciencequickly@sciam.com 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.
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2025: The Year Science Was Shaken

In this episode, take a dive into the underwater vocalizations of the endangered Hawaiian monk seal. Scientists analyzing thousands of hours of underwater recordings have uncovered a surprising array of previously unknown calls. Ocean writer Melissa Hobson explores how researchers captured the sounds of the species, why they matter for conservation and what they tell us about the social lives of one of the world’s rarest seals.

Recommended Reading:

“Underwater Sound Production of Free-Ranging Hawaiian Monk Seals,” by Kirby Parnell et al., in Royal Society Open Science, Vol. 12, No. 11; November 1, 2025

Melissa Hobson’s website

Wiggling Whiskers Help Hungry Seals Hunt in the Dark

E-mail us at sciencequickly@sciam.com 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 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

The Hidden Voices of Monk Seals

In this episode of Science Quickly, we present an inside look at one of the world’s most endangered whale populations: the southern resident orcas. Senior multimedia editor Kelso Harper joins host Kendra Pierre-Louis to share the story of a rare encounter with these killer whales off of the San Juan Islands. Also, we discuss what researchers and scientists are doing to understand and protect this iconic population.

Recommended Reading:

These Orcas Are on the Brink—And So Is the Science That Could Save Them 

Killer Whales and Dolphins May Team Up to Hunt Salmon

E-mail us at sciencequickly@sciam.com 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 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

Inside the Struggle to Save an Orca Community

In this episode of Science Quickly, we dive into how the European Union’s latest Copernicus Climate Change Service bulletin shows that 2025 is on track to become the second-hottest year on record, explore what a newly detected mpox strain could mean for global health, examine why more parents are refusing vitamin K injections for newborns—and uncover fresh evidence about why Homo floresiensis, the so-called hobbits of Indonesia, mysteriously disappeared.

Recommended Reading:

2025 Likely to Tie for Second-Hottest Year on Record

A Vitamin Shot Given at Birth Prevents Lethal Brain Bleeds, but More Parents Are Opting Out

E-mail us at sciencequickly@sciam.com 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 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

Hobbit Disappearance Explained, Second-Hottest Year Looms, New Mpox Variant Found

Generative artificial intelligence has transformed our inboxes, classrooms and even medical records—but at what cost? In this episode, journalist Karen Hao joins Scientific American to discuss her new book Empire of AI, exploring how companies like OpenAI wield power that is reminiscent of historical empires. From ideological quests for artificial general intelligence to the environmental toll of massive data centers, Hao reveals the hidden forces shaping our technological future—and the reasons we should all be paying attention.

Recommended Reading:

OpenAI’s Secrets are Revealed in Empire of AI

Empire of AI: Dreams and Nightmares in Sam Altman’s OpenAI. Karen Hao. Penguin Press, 2025 

E-mail us at sciencequickly@sciam.com 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 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

Karen Hao on Why AI Is Reshaping Society

NASA’s Perseverance rover has spent nearly five years roaming the Martian surface in search of clues to ancient life. But the ambitious plan to return its precious rock samples to Earth is now on shaky ground. Scientific American senior desk editor Lee Billings joins us to unpack the rover’s mission, the stakes of the stalled return effort and the effects it will have on the future of Mars exploration.

Recommended Reading

NASA Recruits Mars Perseverance Rover to Monitor Sun’s Activity

This Rock May Hold Proof of Life on Mars

E-mail us at sciencequickly@sciam.com 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 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

Can NASA Deliver on Perseverance’s Promise to Reveal Life on Mars?

Scientific American associate editor Lauren J. Young breaks down key vaccine recommendations from the Centers for Disease Control and Prevention’s Advisory Committee on Immunization Practices. Also, the Food and Drug Administration is considering controversial changes to vaccine approval and administration. Meanwhile a new study warns that light pollution from satellite megaconstellations could severely compromise space telescope observations.

Recommended Reading:

CDC Vaccine Panel Scraps Guidance for Universal Hepatitis B Shots at Birth

Changing the FDA’s Vaccine Approval Process Could Threaten COVID, Flu Protection for Children

Satellites Swarming Low-Earth Orbit Threaten Space Telescopes

E-mail us at sciencequickly@sciam.com 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 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

CDC Vaccine Panel, Satellite Light Pollution, Puppy Power

Emerging research on the biology of postpartum depression is showing how little it resembles other severe mood disorders in the brain and body. Understanding these differences could be key to better screening, detection and treatment. Science journalist Marla Broadfoot is on our show to talk about her story in the December edition of our magazine, in which she focuses on one woman’s quest for treatment and the personal cure from postpartum depression that this individual found in a promising new drug. 

E-mail us at sciencequickly@sciam.com 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 and Jeff DelViscio. This episode was edited by Jeff DelViscio, 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

New Hope for Treating Postpartum Depression?

Scientific American debuts its first-ever best fiction and nonfiction book lists, featuring stories that explore climate change, alien encounters and even love stories in space. Associate books editor Bri Kane joins host Kendra Pierre‑Louis to share the selections that captivated the newsroom’s editors.

Recommended Reading

Five Essential Reads on Plastic, Power and Pollution

7 Science Book Reviews from Scientific American’s Archives with Modern Recommendations

E-mail us at sciencequickly@sciam.com 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 and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices

Scientific American Picks the Best Reads of the Year

Wild turkeys were once on the brink of disappearing from the U.S.’s forests, with populations dropping to just tens of thousands by the 1930s. Thanks to conservation efforts, their numbers have soared to more than six million today, making them one of the country’s greatest wildlife comeback stories.

Recommended Reading

Wild Turkey Lab

E-mail us at sciencequickly@sciam.com 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 and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices

Thanksgiving’s Iconic Bird Is Thriving Again in the Wild

Marijuana boosts users' appetities by changing the signals brain cells produce from sated to still hungry. Karen Hopkin reports. 
Learn more about your ad choices. Visit megaphone.fm/adchoices

Pot Munchies Explained By Re-Tasked Neurons

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