Science Talk

By Scientific AmericanScience

Science Talk episodes

January 18, 2017 Knot Not Easy to Knot
Chemists have synthesized the most complex molecular knot ever, using a strand just 192 atoms long. The advance could lead to new tougher materials. Christopher Intagliata reports.

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4 min
January 17, 2017 We're Taking You to Bellevue
Pulitzer Prize–winning N.Y.U. historian David Oshinsky, director of the Division of Medical Humanities at the N.Y.U. Langone Medical Center, talks about his latest book, Bellevue: Three Centuries of Medicine and Mayhem at America’s Most Storied Hospital.

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40 min
January 17, 2017 We're Taking You to Bellevue
Pulitzer Prize–winning N.Y.U. historian David Oshinsky, director of the Division of Medical Humanities at the N.Y.U. Langone Medical Center, talks about his latest book, Bellevue: Three Centuries of Medicine and Mayhem at America’s Most Storied Hospital .

38 min
January 14, 2017 Bat Chatter Is More Than a Cry in the Dark
Using algorithms developed for human speech recognition, researchers decoded which bats in an experimental colony were arguing with each other, and what they were arguing about. Christopher Intagliata reports.

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4 min
January 13, 2017 Bird Feeders Attract Bird Eaters, Too
Some predators are attracted to the food in bird feeders, and end up targeting nestlings, too. Jason G. Goldman reports.

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5 min
January 12, 2017 Adult Daughter Orcas May Trigger Moms' Menopause
Competition between older female orcas and their adult daughters when they can breed simultaneously may cause the matriarch to enter menopause.

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4 min
January 11, 2017 Climate Cycles Could Have Carved Canyons on Mars
Researchers think Mars may have experienced a series of climate cycles, which etched the planet’s surface with river valleys and lake basins. Julia Rosen reports.

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4 min
January 06, 2017 Hair Cells Could Heal Skin Sans Scars
Hair follicles appear to be key in reprogramming other cells in the wound, restoring the original skin architecture, instead of simply scarring. Christopher Intagliata reports.

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4 min
January 05, 2017 Concrete Defects Could Become Strengths
By optimizing the imperfections in concrete, manufacturers could make the material tougher and stronger—allowing builders to use less of it. Christopher Intagliata reports.

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4 min
January 03, 2017 Zika Linked to a Variety of Birth Defects
Zika virus infection during pregnancy appears to cause a range of birth defects, such as joint, eye and ear abnormalities, in addition to microcephaly.

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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.