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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 Talk

Researchers found that Neandertal gene variants still affect the way genes are turned off and on in modern humans. Christopher Intagliata reports. 
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Neandertals Live On in Our Genomes

By sequencing DNA in Neandertal dental plaque, scientists were able to find out about their diets—and their good relations with modern humans. Christopher Intagliata reports.
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Teeth Hint at a Friendlier Neandertal

Javelin throwers chucking replicas of Neandertal spears were able to hit targets farther away, and with greater force than previously thought to be possible. Christopher Intagliata reports.
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Neandertal Spears Were Surprisingly Deadly

An outbreak of an unknown illness has occurred in the Democratic of the Congo, which has already been dealing with the spread of mpox. A new study finds that leaded gasoline could be responsible for 151 million cases of mental health disorders, with impacts highest among members of Generation X. Upping your daily movement could protect you from cardiovascular events. Plus, we look at Venus’s past and fashion-forward orcas. 

Recommended reading:
For Orcas, Dead Salmon Hats Are Back in Fashion after 37 Years
Mpox Is a Global Health Emergency. Here’s What We Know 
Lead from Old Paint and Pipes Is Still a Deadly Hazard in Millions of U.S. Homes

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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman. Our show is edited by Jeffery DelViscio with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
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Leaded Gasoline, Orca Hats and ‘Disease X’

If you were intrigued—or disturbed—by the artificial intelligence podcast on your Spotify Wrapped, you may wonder how AI audio works. Audio Overview is a feature of the tool NotebookLM, released by Google, that allows for the creation of short podcasts with AI “hosts” summarizing information. But questions remain about the accuracy, usefulness and environmental impacts of this application. Host Rachel Feltman and associate news editor Allison Parshall are joined by Google Labs’ editorial director Steven Johnson and AI researchers Anjana Susarla and Emily Bender to assess the promise of this buzzy tech.

Recommended reading:
Google’s Project Green Light Uses AI to Take on City Traffic 
Can One Chatbot Catch Another’s Lies? 
Please Don’t Ask AI If Something Is Poisonous 

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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman with guest Allison Parshall with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
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AI-Generated Audio Is Entering the Podcast World

Ashleigh Papp, an animal scientist turned storyteller, takes us on a trip to the zoo. People are divided on zoos, but as Papp explains, the thoughtful work that goes into caring for animals makes modern zoos conservation powerhouses. This is part one of The New Conservationists, a four-part Friday Fascination series about the evolving world of animal conservation.
Recommended reading:
– Flying Conservationists Teach Endangered Birds to Migrate
– The Last Wild Horses Are Finally Returning to Their Natural Habitat
– Great Nicobar Island Is a Paradise in Danger
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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman with co-host Ashleigh Papp. Our show is edited by Madison Goldberg with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices

The New Conservationists: Where Do Zoos Fit into the Conservation Puzzle? (Part 1)

Ashleigh Papp, an animal scientist turned storyteller, takes us on into the field. Conservationists and animal behaviorists were once restricted to wildlife data gathered manually. Now new technologies are expanding the amount of passively collected data—and machine learning is helping researchers cut through the noise.
This is part two of The New Conservationists, a four-part series about the evolving world of animal conservation.
Recommended reading:
– Flying Conservationists Teach Endangered Birds to Migrate
– The Last Wild Horses Are Finally Returning to Their Natural Habitat
– Great Nicobar Island Is a Paradise in Danger
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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman with co-host Ashleigh Papp. Our show is edited by Madison Goldberg with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices

The New Conservationists: AI is Making Meaning from the Sounds and Visuals of Wildlife (Part 2)

Ashleigh Papp, an animal scientist turned storyteller, shifts our perspective on the modern conservationist. With low wages and expectations of free work, conservation science lacks diversity as a field—but dedicated graduate students and new programs are trying to change that. Isaac Aguilar, a graduate student in the geology division at the California Institute of Technology, tells Papp about his journey into conservation. Plus, join a night patrol with crime prevention sergeant Malungane Naledi. She's a member of the Black Mambas, an all-woman anti-poaching unit in South Africa’s Greater Kruger National Park.
This is part three of The New Conservationists, a four-part series about the evolving world of animal conservation.
Listen to part one and part two.
Recommended reading:
– Flying Conservationists Teach Endangered Birds to Migrate
– The Last Wild Horses Are Finally Returning to Their Natural Habitat
– Great Nicobar Island Is a Paradise in Danger
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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman with co-host Ashleigh Papp. Our show is edited by Madison Goldberg with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
Learn more about your ad choices. Visit megaphone.fm/adchoices

The New Conservationists: Meet the Next Generation of Conservationists (Part 3)

Tens of thousands of animal species are facing extinction, mostly because of human activity. But thanks to conservationists, there are some animals that are making a comeback.
This is part four of “The New Conservationists,” a four-part series about the evolving world of animal conservation.
Listen to part one, part two and part three.
Recommended reading:
– The Panda Factories 
– Flying Conservationists Teach Endangered Birds to Migrate
– The Last Wild Horses Are Finally Returning to Their Natural Habitat
– Great Nicobar Island Is a Paradise in Danger
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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman with co-host Ashleigh Papp. Our show is edited by Madison Goldberg with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
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The New Conservationists: Thanks to Conservation Efforts, Pandas, Wolves and Panthers Are Making a Comeback (Part 4)

2024 brought heat waves and hurricanes, bird flu and breakthroughs, and an overwhelming amount of progress in AI. Science Quickly host Rachel Feltman is joined by sustainability editor Andrea Thompson, health and medicine editor Tanya Lewis and technology editor Ben Guarino to recap a busy year and weigh in on the stories they’re watching in 2025.

Happy Holidays from all of us at Science Quickly! Thank you for your support and your curiosity. We’ll see you next year.

Recommended reading:
https://www.scientificamerican.com/article/wildest-things-science-learned-about-the-human-body-in-2024/
https://www.scientificamerican.com/article/summer-2024-was-the-hottest-ever-measured-beating-last-year/
https://www.scientificamerican.com/article/78-books-scientific-american-recommends-in-2024/

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 Rachel Feltman, Fonda Mwangi, Kelso Harper, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman, with guests Tanya Lewis, Andrea Thompson and Ben Guarino. Our show is edited by Fonda Mwangi, with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.

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

A Farewell to 2024, and What We’re Following in the New Year

A new genetic study of Latin Americans provides evidence that gene variants for lighter skin color came about in Asia as well as in Europe. Christopher Intagliata reports.
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Light-Skin Variant Arose in Asia Independent of Europe

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