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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

Trillions of potato-sized rocks scattered across the deep ocean floor are rich in metals such as cobalt and copper—making them a target for mining companies eager to fuel the clean-energy transition. But recent research suggests these rocks may also be supporting marine life in ways scientists are only beginning to understand. In this episode, scientist and journalist Clare Fieseler and filmmaker Jason Jaacks join host Rachel Feltman to explore the surprising science behind these deep-sea rocks and the environmental stakes of harvesting them.

Recommended Reading

A ‘Dark Oxygen’ Mystery Is Unfolding at the Ocean Bottom—But Undersea Mining Giants May Soon Move In

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper 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

The Deep Sea’s Mysterious Oxygen Source

Science doesn’t always get it right the first time—and that’s part of the journey. In this anniversary episode, we explore how ideas about nerve damage, sustainable materials and alien life have done a full 180.

Recommended Reading

Celebrating 180 Years of Scientific American

180 Years of Standing Up for Science

How Scientists Finally Learned That Nerves Regrow

Proof That Adult Brains Make New Neurons Settles Scientific Controversy

Plastics Started as a Sustainability Solution. What Went Wrong?

The Search for Extraterrestrial Life Is a Roller Coaster of Hope and Disappointment

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

Email 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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper 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

Science’s Greatest 180s

Peanut allergies have surged dramatically in recent decades, and scientists are still working to understand why. In this episode, journalist Maryn Mckenna, who recently authored an article on the subject, and host Rachel Feltman explore the latest research on causes, treatments and prevention strategies. 

Recommended Reading

Can Peanut Allergies Be Cured?

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

Email 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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper 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

Could Peanut Allergies Be Cured?

Biologist Nathan Lents joins Science Quickly to explore the vast sexual diversity found across the animal kingdom. His new book, The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern Relationships, challenges the binary framework that has long shaped biological research, arguing for a more accurate and inclusive view of sex and gender. From alternative reproductive strategies to overlapping traits, this episode reveals how nature defies neat categories—and why science should, too.

Recommended Reading

Here’s Why Human Sex Is Not Binary

This Backyard Bird Has a Lot to Teach Us about Sex Variability

The Sexual Evolution: How 500 Million Years of Sex, Gender, and Mating Shape Modern Relationships, by Nathan Lents. Mariner Books, 2025

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check this show. The theme music was composed by Dominic Smith.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Nature’s Sexual Spectrum Breaks the Binary

The chikungunya virus is rapidly spreading in China. Could it make its way to the U.S.? Meanwhile in Alaska a glacial lake outburst flooded the nearby Mendenhall River to record levels. And in Ethiopia fossilized teeth reveal a new species of Australopithecus—one that possibly lived alongside one of our closer cousins in theHomo genus—shedding light on human evolution.

Recommended reading:

How the New Chikungunya Virus Outbreak in China Could Reach the U.S.

Why Glacial Lake Outbursts like the One in Alaska May Happen More Often

Entirely New Species of Human Ancestor Discovered

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

Email 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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Emily Makowski, Shayna Posses and Aaron Shattuck fact-check this show. The theme music was composed by Dominic Smith. 
Learn more about your ad choices. Visit megaphone.fm/adchoices

Chikungunya Outbreak, Glacial Outbursts and a New Human Ancestor

Science writer Sam Kean joins Science Quickly to explore the hands-on world of experimental archaeology—where researchers don’t just study the past; they rebuild it. From launching medieval catapults to performing ancient brain surgery with stone tools, Kean shares his firsthand experiences with re-creating the techniques and technologies of long-lost civilizations. 

His latest book, Dinner with King Tut, dives deep into these wild experiments and the things they have revealed about how our ancestors lived, worked and ate.

Recommended reading:

Scientists Used Prehistoric Tools to Build a Canoe, Then Paddled Across 140 Miles from Taiwan to Japan

Denmark’s Radical Archaeology Experiment Is Paying Off in Gold and Knowledge

Dinner with King Tut, by Sam Kean; Little, Brown, 2025

Sam Kean’s website

Join the #SciAmInTheWild photography challenge for a chance to win a one-year Unlimited subscription to Scientific American—plus an exclusive bundle of gadgets and gear to level up your next adventure. See the rules for entry here.

Email 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 Today in Science, our daily newsletter. 

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper 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

Dinner with King Tut Explores the Wild World of Experimental Archaeology

Life expectancy has risen dramatically since 1900, reshaping how we understand aging. Scientists now view skin not just as a surface indicator, but as a biological marker of systemic health. In this podcast episode, Scientific American Custom Media explores how longevity science is offering new insights into vitality across the lifespan.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Living Longer, Aging Smarter [Sponsored]

In this episode, host Rachel Feltman speaks with freelance science journalist Hannah Seo about a promising new development in male contraception: a hormone-free birth control pill that reversibly stops sperm production has just passed its first human safety trial. Seo explains how the drug works, what makes it different from hormone-based methods and where it stands in clinical development.

 

Recommended reading:

First Hormone-Free Male Birth Control Pill Shown Safe in Early Human Trial

Male Birth Control Is in Development, but Barriers Still Stand in the Way

“Safety and Pharmacokinetics of the Non-Hormonal Male Contraceptive YCT-529,” by Nadja Mannowetz et al., in Communications Medicine, Vol. 5, Article No. 279. Published online July 22, 2025

Email 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 our daily newsletter.

Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper 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

Condoms and Vasectomies Aren’t Enough—Is a Male Birth Control Pill Next?

Rogue planets drifting through space might be forming their own planetary systems. NASA’s Europa Clipper mission has completed a key radar test ahead of its journey to study Jupiter’s icy moon. Plus, a major shift in U.S. health research funding occurs as Secretary of Health and Human Services Robert F. Kennedy, Jr., cancels nearly $500 million in funding for mRNA vaccine development.

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 Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. 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

Cosmic Discoveries Soar as Earthly Health Decisions Stir Alarm

Representative Eric Sorensen of Illinois brings his background as a meteorologist to the halls of Congress, advocating for science-based policy amid intensifying climate threats. In this episode, he shares how personal experiences with extreme weather shaped his career and why protecting agencies like the National Weather Service is more urgent than ever. Sorensen also discusses the political challenges of defending climate science and makes a compelling case for why more scientists should enter public office.

Recommended reading:

Higher Bills, Hotter Planet: What Trump’s Megabill Means for You

Texas Failed to Spend Millions in Federal Aid for Flood Protection

Flood Forecasts Could Worsen as Trump’s NWS Cuts Take Hold

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 Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-checked ourthe show. The theme music was composed by Dominic Smith.

Learn more about your ad choices. Visit megaphone.fm/adchoices

Climate Science Gets a Seat in Congress with Eric Sorensen

People who spent at least two hours outside—either all at once or totaled over several shorter visits—were more likely to report good health and psychological well-being. Jason G. Goldman reports.
Learn more about your ad choices. Visit megaphone.fm/adchoices

Mind and Body Benefit from Two Hours in Nature Each Week

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