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4:37
Surprise: Cockroaches Are Fastidious Groomers!
Why do cockroaches spend so much time cleaning themselves?
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12:04
How Wood Smoke Is Dirtying Alaska’s Air
Cathy Cahill, of the University of Alaska Fairbanks, discusses air quality in the Last Frontier.
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12:19
Is China’s Military Behind Cyberattacks on U.S.?
A new report links cyberespionage attacks on the U.S. to a unit of the Chinese military.
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17:29
Russia Meteor Renews Focus on Asteroid Threats
Astronomers weigh in on how to keep the planet safe from near-Earth objects.
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23:32
Ask A Dentist: Facts To Sink Your Teeth Into
An apple a day keeps the doctor away. And, it turns out, the dentist. Did you know that the fibery skin is good for your teeth?
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23:38
The SciFri Book Club Visits ‘Gorillas in the Mist’
Dian Fossey’s classic account of her fieldwork is on the reading list this month.