Science Talk

Science Talk

By Scientific AmericanScience

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Science Talk episodes

September 25, 2015 Ancient Human Ancestors Heard Differently
Early human species may have had sharper hearing in certain frequencies than we enjoy, to facilitate short-range communication in an open environment. Cynthia Graber reports

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4 min
September 24, 2015 Sitting Not the New Smoking for Fidgeters
Sitting for more than seven hours a day is linked to a 30 percent higher risk of death, but that association disappears among the in-place movers and shakers. Christopher Intagliata reports

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4 min
September 23, 2015 We Emit Clouds of Microbes Wherever We Go
Humans shed a million particles an hour, and those microbe-laced clouds are sometimes unique enough to identify the person producing them. Christopher Intagliata reports

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4 min
September 22, 2015 House Dust Organisms Reveal Location and Residents
The particular fungi found in house dust can tell investigators where you live, and the bacteria in the dust can give away who and what you live with

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4 min
September 21, 2015 Biosciences Get Defense Secretary's Attention
At the recent DARPA Wait What? conference, Secretary of Defense Ashton Carter said lifesaving technologies are a priority for his department

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4 min
September 18, 2015 Teenage Clockmaker Upholds Long Scientific Tradition
As Daniel Boorstin, former director of the Smithsonian National Museum of History, once put it, clockmakers were the "pioneer scientific instrument makers"

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4 min
September 17, 2015 Nonpolitical Tweets May Reveal Political Bias
Word selection among Twitter users who could be identified as likely members of one or the other political party showed specific usage patterns. Christopher Intagliata reports

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4 min
September 16, 2015 The Hunt for the Fat Gene
Medical researcher Richard Johnson, of the University of Colorado Anschutz Medical Campus, talks about his October Scientific American article "The Fat Gene," co-authored by anthropologist Peter Andrews of University College London and the Natural History Museum in London. Their piece is about how a genetic mutation in prehistoric apes may underlie today’s pandemic of obesity and diabetes

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34 min
September 15, 2015 California Mountain Snowpack Is Flaking Out
With the Sierra Nevada snowpack at historic lows, should policy makers focus on capturing future rain instead of relying on the snow bank? Christopher Intagliata reports

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4 min
September 14, 2015 Domesticated Pigs Kept Oinking with Wild (and Crazy) Boars
Domesticated pigs had many dalliances with wild boars that added new genes to the pig population well after they had settled down on the farm

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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.