Science Talk

By Scientific AmericanScience

Science Talk episodes

May 02, 2019 Chemists Investigate Casanova's Clap
In his memoirs, the womanizing writer Giacomo Casanova described suffering several bouts of gonorrhea—but researchers found no trace of the microbe on his handwritten journals. Karen Hopkin reports.

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5 min
May 01, 2019 Software Sniffs Out Rat Squeaks
Algorithms learned to sift ultrasonic rat squeaks from other noise, which could help researchers who study rodents’ emotional states. Lucy Huang reports.

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4 min
April 30, 2019 New Model Aims to Solve Mystery of the Moon's Formation
Scientists propose that the moon could have formed when a Mars-sized object slammed into an Earth covered in magma seas. Christopher Intagliata reports.

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4 min
April 29, 2019 Cats Recognize Their Names—but May Not Respond
Felines move their ears, heads and tails more when they hear their names compared to when they hear similar words. Jim Daley reports.

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4 min
April 29, 2019 How the Black Hole Said Cheese
Scientific American's chief features editor Seth Fletcher talks about his book Einstein's Shadow, an account of the long effort to image a black hole that recently came to fruition.

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23 min
April 27, 2019 Science News Briefs from All Over
A few brief reports about international science and technology from Liberia to Hawaii, including one on the discovery in Northern Ireland of soil bacteria that stop the growth of MRSA and other superbugs.

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4 min
April 26, 2019 Hurricane Maria Rain Amount Chances Are Boosted by Climate Change
The likelihood of an event like Hurricane Maria in Puerto Rico, and of its massive precipitation, is fivefold higher in the climate of today than it would have been some 60 years ago

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5 min
April 25, 2019 Harder-Working Snakes Pack Stronger Venom
Snake venom toxicity depends on snake size, energy requirements and environmental dimensionality more than on prey size.

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5 min
April 24, 2019 River Dolphins Have a Wide Vocal Repertoire
Freshwater dolphins are evolutionary relics, and their calls give clues to the origins of cetacean communication in general. Christopher Intagliata reports.

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4 min
April 23, 2019 Honeybees Can Put Two and Two Together
The tiny brain of a honeybee is apparently able to calculate small numbers' addition and subtraction. Annie Sneed 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.