Science Talk

Science Talk

By Scientific AmericanScience

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Science Talk episodes

September 30, 2014 Sea Garbage Shows Ocean Boundaries
Floating refuse reveals ocean currents that in turn show where the world's oceans mix and where they stay relatively discrete. Karen Hopkin reports

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3 min
September 29, 2014 Yeast Coaxed to Make Morphine
Genetically manipulated yeast can produce morphine that could help get around the problems with poppy crops, which include climate, disease and war. Karen Hopkin reports

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3 min
September 25, 2014 Crustal Chemistry May Aid in Earthquake Prediction
Researchers say chemical changes in groundwater may someday be used to predict quakes four to six months in advance. Christopher Intagliata reports

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4 min
September 24, 2014 Fire Cooked Up Early Human Culture
An anthropologist studying current hunter–gatherers finds that nighttime around the fire is when conversation turns from business to bonding. Cynthia Graber reports

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3 min
September 23, 2014 I Got Rhythm, I Got Reading
Kids who could keep a beat had superior skills related to reading and language than did those whose rhythm strayed. Cynthia Graber reports

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3 min
September 19, 2014 Dino Devastator Also Ravaged Veggies
After the Chicxulub meteorite, more than half the plant species in temperate North America perished along with the dinosaurs, and the composition of post-impact vegetation changed markedly. Christopher Intagliata reports

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3 min
September 17, 2014 Genius Grant Goes to Science Historian
New MacArthur Fellow Pamela Long studies the scientific revolution as a result of the interactions of academics and hands-on infrastructure engineers in the 15th and 16th centuries. Steve Mirsky reports

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4 min
September 16, 2014 Leopards Wolf Down Fido in India Ag Area
A study of leopard droppings in agricultural western India reveals that the cats primarily eat domestic animals, mostly dogs, but only a small amount of livestock. Steve Mirsky reports

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3 min
September 15, 2014 Bio-Spleen Sucks Pathogens and Toxins from Blood
The new device rids the blood of bacteria, fungi, viruses and toxins using nanoscale-size magnetic beads. Cynthia Graber reports

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3 min
September 05, 2014 Synthetic Fabrics Host More Stench-Producing Bacteria
Micrococcus bacteria thrive on the open-air lattice of synthetic fibers—where they sit chomping on the fatty acids in our sweat, turning them into shorter, stinkier molecules. Christopher Intagliata 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.