Science Talk

By Scientific AmericanScience

Science Talk episodes

July 29, 2015 What All the Screaming Is about
An analysis of the acoustical characteristics of screams found that the sounds are unusually rough, that is, they rapidly change in frequency, which has an alarming effect on the listener's brain

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4 min
July 27, 2015 Baseball Great Thanks Tommy John Surgery, Decries Its Frequency
In his induction speech at the Baseball Hall of Fame, pitcher John Smoltz hoped that the number of such procedures could be lessened in the future

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4 min
July 22, 2015 Appetizers Can Psychologically Spoil Your Appetite
Mediocre main dishes taste even worse when they follow delectable appetizers—an example of the so-called "hedonic effect." Erika Beras reports

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3 min
July 21, 2015 Many Overweight and Obese Teens Underestimate Their Weight
A survey of nearly 5,000 13- to 15-year-olds in the U.K. found that 40 percent of overweight and obese teens did not self-identify as “too heavy.” Cynthia Graber reports

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4 min
July 21, 2015 Betting Lots of Quatloos on the Search for Alien Civilizations, Part 2
Stephen Hawking and entrepreneur and former physicist Yuri Milner announce a $100-million, 10-year initiative to look for signs of intelligent life in the cosmos

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38 min
July 20, 2015 Betting Lots of Quatloos on the Search for Alien Civilizations, Part 1
Stephen Hawking and entrepreneur and former physicist Yuri Milner announce a $100-million, 10-year initiative to look for signs of intelligent life in the cosmos

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36 min
July 20, 2015 Alien Intelligence Search Gets Major New Push
Entrepreneur and former physicist Yuri Milner talks about the just-announced $100-million Breakthrough Listen Project to search for extraterrestrial technological civilizations

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5 min
July 17, 2015 Plankton Blooms Fuel Cloud Droplet Formation
The Southern Ocean is the cloudiest place on Earth, a condition caused in part by phytoplankton particles kicked up by sea spray. Christopher Intagliata reports

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4 min
July 16, 2015 Male Black Widows Strive for Mate's Monogamy
During courtship, male black widow spiders snip and bundle up the female's web in their own silk, which discourages other suitors from stopping by. Christopher Intagliata reports

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4 min
July 15, 2015 Active Duty Army Suicide Attempts Analyzed
Researchers gathered data from various Army databases to analyze nearly 10,000 attempted suicides of active duty personnel. Cynthia Graber reports

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3 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.