Science Talk

By Scientific AmericanScience

Science Talk episodes

April 17, 2020 How Herbivore Herds Might Help Permafrost
Introducing herds of large herbivores in the Arctic would disturb surface snow, allowing cold air to reach the ground and keep the permafrost frosty.

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5 min
April 15, 2020 Lung Cancer Screen Could Be Easy Pee-sy
In mice, a test for lung cancer involves nanoprobes that recognize tumors and send reporter molecules into the urine for simple analysis.

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5 min
April 14, 2020 Obama Talks Some Science Policy
As he endorsed Joe Biden today, former president Barack Obama touched on some environmental, economic and science matters.

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3 min
April 13, 2020 Red-Winged Blackbirds Understand Yellow Warbler Alarms
Researchers studying yellow warbler responses to the parasitic cowbird realized that red-winged blackbirds were eavesdropping on the calls and reacting to them, too.

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5 min
April 10, 2020 Waiter, What's This Worm Doing in My Sushi?
Well, it’s probably there because the odds on its presence have gone way up in the past 40 years. But such parasites are still much more of a health problem for whales and dolphins than they are for us.

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4 min
April 09, 2020 What's a Narwhal's Tusk For?
Although the tusk can be a weapon, the variation in tusk length among animals of similar body size points to it being primarily a mating status signal.

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5 min
April 07, 2020 Coronavirus Misinformation Is Its Own Deadly Condition
Pulitzer-winning Laurie Garrett, author of The Coming Plague: Newly Emerging Diseases in a World Out of Balance, talks about the dangers of politicians offering coronavirus misinformation.

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4 min
April 06, 2020 Coronavirus Can Infect Cats
Tigers and lions at the Bronx Zoo have tested positive for the virus, and studies show that house cats—but apparently not dogs—can become infected.

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5 min
April 03, 2020 COVID-19: The Need for Secure Labs--and Their Risks
Coronavirus research requires high-containment labs. Journalist Elisabeth Eaves talks with Scientific American contributing editor W. Wayt Gibbs about her article “The Risks of Building Too Many Bio Labs,” a joint project of the New Yorker and the Bulletin of the Atomic Scientists.

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16 min
April 02, 2020 Squid's Glowing Skin Patterns May Be Code
Humboldt squid can rapidly change the pigmentation and luminescence patterns on their skin by contracting and relaxing their muscles, possibly to communicate.

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5 min

About Science Talk

From the publisher's feed

Science Talk is a podcast of longer-form audio experiments from Scientific American--from immersive sonic journeys into nature to deep dives into research with leading experts.