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Surprise: Cockroaches are Fastidious Groomers!

Despite inhabiting sewers and cesspools, cockroaches are quite clean — or at least their exteriors are, according to entomologist Coby Schal of North Carolina State University. That's because cockroaches are constantly grooming themselves, particularly their antennae. Publishing in PNAS, Schal and colleagues investigate why they groom.
NPR

Is China's Military Behind Cyberattacks on U.S.?

A new report released by an American security firm alleges the Chinese military is linked to extensive cyberattacks against American corporations and government agencies. Is China engaged in cyberwarfare? How should the Obama Administration respond to cybersecurity threats?
NPR

Russia Meteor Renews Focus on Asteroid Threats

A week after a meteor exploded over Russia on the same day that an asteroid swung closely past Earth, experts discuss how the potential threats posed by near-Earth objects should be addressed. Astronomers Donald Yeomans and John Tonry weigh in on how to keep the planet safe.
NPR

How Wood Smoke is Dirtying Alaska's Air

In Fairbanks, Alaska, residents are using wood stoves to heat their homes during the frigid winter months. But, smoke created by these wood burners is contributing to some of the worst air pollution in the country. Cathy Cahill discusses air quality in the Last Frontier.
NPR

For Fruit Flies, Alcohol Really Is Mommy's Little Helper

A glass of wine can be a welcome sight after a long day watching the kids, but fruit fly moms use alcohol from fermenting fruit to protect their offspring from marauding wasps. That's just one of the ways the tiny flies are using booze to survive the slings and arrows of existence.
NPR

1 Week Later: Following Up On Destructive Meteorite

A flaming meteor streaked through the skies over Russia last Friday. It exploded with the force of 20 atomic bombs over the Siberian city of Chelyabinsk. A thousand people were injured; most of them were watching it and were cut when the shock wave shattered windows.

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