NASA has just released the first images from its Wide-field Infrared Survey Explorer (WISE). WISE's primary mission is to survey the entire sky in infrared, though it's also tasked with tracking asteroids, comets, and other objects.
Here the shortest-wavelength camera on WISE highlights the Andromeda galaxy's older stellar population in blue.
FDA Recalls Heart Pumps Linked to Deaths and Injuries
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Two medical devices that mechanically pump blood to the heart have caused
hundreds of injuries and more than a dozen deaths
11 hours ago
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