60-Second Science

Scientific American
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May 26, 2017 • 3min

Former CDC Head Warns of Threats Biological and Political

Tom Frieden, head of the CDC from 2009 to 2017, told graduating medical students that we face challenges from pathogens, and from politicians.   Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 24, 2017 • 3min

Fitness Bands Fail on Calorie Counts

Activity trackers accurately reckon heart rate—but they're way off in estimates of energy expenditure. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 19, 2017 • 4min

New Concrete Recipes Could Cut Cracks

Recipes for concrete that incorporate by-products from the coal and steel industries, like fly ash and slag, could reduce road salt–related cracking. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 17, 2017 • 3min

Bees Prefer Flowers That Proffer Nicotine

Bumblebees sought out flowers with nicotine in their nectar, and the drug appeared to enhance the bees' memories. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 16, 2017 • 4min

Large Impacts May Cause Volcanic Eruptions

Really big meteorite or asteroid strikes may cause melting and deep deformations that eventually lead to volcanic eruptions.  Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 15, 2017 • 4min

Why the Cross Put Chickens on a New Road

A religiously inspired change in the European diet about a thousand years ago led to the development of the modern domesticated chicken.   Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 12, 2017 • 4min

Field Study: Worms Leave 'Til No-Till

Earthworm numbers doubled in fields after farmers switched from conventional plowing to no-till agriculture. Christopher Intagliata reports.  Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 11, 2017 • 4min

The Sneaky Danger of Space Dust

When tiny particles of space debris slam into satellites, the collision could cause the emission of hardware-frying radiation. Christopher Intagliata reports.  Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 10, 2017 • 3min

Insects Donate DNA to Unrelated Bugs

Bacteria swap DNA among themselves. And that process may be more common in multicellular organisms than previously believed. Christopher Intagliata reports.  Learn more about your ad choices. Visit megaphone.fm/adchoices
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May 9, 2017 • 4min

Gophers versus the Volcano

Pocket gophers survived the Mount Saint Helens eruption in their underground burrows and immediately went to work bringing back the ecosystem.   Learn more about your ad choices. Visit megaphone.fm/adchoices

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