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Health & MedicineLining medical stents with hairlike fuzz could fend off infections
Implanted tubes that transport bodily fluids can get gross. A lab prototype suggests a new vibration-based way to keep them clean and prevent infection.
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PhysicsPhysicists explain how cheese rosettes form
Rosettes made by scraping Tête de Moine, or “monk’s head,” cheese result from variations in the friction between the blade and the cheese.
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SpaceA Soviet spacecraft has returned to Earth
Kosmos 482 launched for Venus in 1972 but never left Earth orbit. The spacecraft finally lost enough energy that it couldn't fight gravity anymore.
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AnimalsAncient poems document the decline of the Yangtze finless porpoise
The porpoise is critically endangered.