Science Talk

By Scientific AmericanScience

Science Talk episodes

July 29, 2014 Roach Reactions to Venom Point to Targeted Pesticides
Small changes in the protein sequence of sodium channels of American compared with German cockroaches leave the latter susceptible to a venom that has little effect on the former. Cynthia Graber reports

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3 min
July 28, 2014 Ocean Plastic Particles Could Get in Gills
Sea creatures eat plastic dumped in the ocean, but they also might be accumulating plastic by sucking up tiny particles with their siphons and gills. Christopher Intagliata reports

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3 min
July 23, 2014 Salmonella's Favorite Food Could Be Its Achilles' Heel
Salmonella's primary fuel source is the molecule fructose-asparagine. Starving it of that fuel in an infected person could kill it without harming beneficial gut bacteria. Karen Hopkin reports

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3 min
July 22, 2014 Under the Dome: <i>Scientific American</i> Editor in Chief Talks to the Senate
Scientific American Editor in Chief Mariette DiChristina testifies before the Senate Committee on Commerce, Science and Transportation about the value of scientific research and development. Also testifying is Vint Cerf, one of the fathers of the Internet and Google’s vice president and "chief Internet evangelist." The hearings took place July 17, 2014

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18 min
July 21, 2014 Education Level Linked to Nearsightedness
In a German study, half of those with a university degree were myopic compared with less than a quarter of folks who quit after high school or secondary school. Karen Hopkin reports

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3 min
July 17, 2014 Give Us This Day the Bread Wheat Genome
A preliminary map of the bread wheat genome includes the locations of more than 75,000 genes. Cynthia Graber reports

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3 min
July 15, 2014 Wild Sex: Beyond the Birds and the Bees
Joy Reidenberg, comparative anatomist at the Icahn School of Medicine at Mount Sinai, talks about her new PBS series Sex in the Wild, about the sex lives of elephants, orangutans, kangaroos and dolphins. The series debuts July 16, 2014

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32 min
July 09, 2014 Supercooled Organs Could Stretch Time to Transplant
Liver transplant time from human donor to patient is limited to 12 hours, but rats that got livers specially stored for three days were going strong three months later. Cynthia Graber reports

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3 min
July 08, 2014 Space-Based Data Collection Better Predicts Floods
Satellite data can help geologists predict major floods up to 11 months in advance in areas where snow melt or groundwater is a significant contributor. Cynthia Graber reports

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3 min
July 07, 2014 What's So Funny?: The Science of Humor
Cognitive neuroscientist Scott Weems talks about his book HA!: The Science of When We Laugh and Why

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35 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.