Science Talk

By Scientific AmericanScience

Science Talk episodes

May 11, 2017 The Sneaky Danger of Space Dust
When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports.

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4 min
May 10, 2017 Insects Donate DNA to Unrelated Bugs
Bacteria swap DNA among themselves. And that process may be more common in multicellular organisms than previously believed. Christopher Intagliata reports.

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3 min
May 09, 2017 Gophers versus the Volcano
Pocket gophers survived the Mount Saint Helens eruption in their underground burrows and immediately went to work bringing back the ecosystem.

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5 min
May 07, 2017 Wilderness Areas Suffer from Human Sound
Human-produced noise doubles the background sound levels in 63 percent of protected areas, and raises it tenfold in 21 percent of such landscapes.

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4 min
May 03, 2017 Pollution Peaks When Temperatures Top Out
As temperatures rise, energy demands peak, with a corresponding increase in air pollutants. Christopher Intagliata reports.

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4 min
May 03, 2017 Take the Tube: Underground as a Way of Life
Emory University paleontologist, geologist and ichnologist Anthony J. Martin talks about his new book, The Evolution Underground: Burrows, Bunkers and the Marvelous Subterranean World beneath Our Feet.

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32 min
May 03, 2017 Take the Tube: Underground as a Way of Life
Emory University paleontologist, geologist and ichnologist Anthony J. Martin talks about his new book, The Evolution Underground: Burrows, Bunkers and the Marvelous Subterranean World beneath Our Feet .

31 min
May 02, 2017 Hot Chilies Cool Down Gut Inflammation in Mice
The spicy compound in chilies kicks off a chemical cascade that reduces gut inflammation and immune activity in mice. Christopher Intagliata reports.

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4 min
May 01, 2017 Bronx River's Cleanup Brings Herring Home
Called an "open sewer" in the recent past, the Bronx River is now clean enough for a type of herring to once again be introduced and to make runs to the ocean.

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4 min
April 28, 2017 Ancient Human DNA Found in Cave Dirt
Scientists uncovered genetic traces of Neandertals and Denisovans by screening cave dirt for DNA. Christopher Intagliata reports.

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4 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.