Science, Quickly

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For Some Crows, Migration Is Optional Aug 16, 2018

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Crows are what's known as "partial migrants"—as cold weather approaches, some crows fly south whereas others stay put. And that behavior appears to be ingrained. Christopher Intagliata reports.

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Solar Eclipse of 2017 Boosted Science Interest Aug 14, 2018

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The Michigan Scientific Literacy Survey of 2017 found that last year's total solar eclipse got Americans more interested in celestial science.

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Crickets Carve Tools to Amplify Their Chirps Aug 13, 2018

Show notes

The insects fashion and use "baffles"—sound controllers—made of leaves to produce sound more efficiently. Jason G. Goldman reports.

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Better Data Could Mean Better Dating Aug 09, 2018

Show notes

Both men and women tended to pursue mates just 25 percent more desirable than themselves—suggesting they are "optimistic realists." Christopher Intagliata reports.

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To Evolve Baleen, Lose Your Teeth First Aug 08, 2018

Show notes

Whale ancestors probably never had teeth and baleen at the same time, and only developed baleen after trying toothlessness and sucking in prey.

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Corn Variety Grabs Fertilizer from the Air Aug 07, 2018

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A variety of corn from Oaxaca, Mexico, has aerial roots that harbor nitrogen-fixing bacteria, allowing the corn to suck nitrogen straight from the air. Christopher Intagliata reports.

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Birds Learn Safety from Other Kinds of Birds Aug 02, 2018

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Birds become good at avoiding danger by eavesdropping on the alarm calls of other birds—and the learning occurs without even seeing their peers or predators. Christopher Intagliata reports.

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Some Crows Hit On Dead Companions Jul 30, 2018

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About 5 percent of crows will attempt to copulate with other crows that have joined the choir invisible.

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Border Wall Could Disrupt Hundreds of Species Jul 26, 2018

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More than 2,500 scientists signed a letter saying that an expanded U.S.–Mexico border wall would threaten both biodiversity and scientific research. Christopher Intagliata reports.

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Turn a Wall into a Touch Screen Cheap Jul 25, 2018

Show notes

Researchers used a couple of hundred dollars worth of materials to turn a wall into a giant touch screen

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