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Vaccine in Africa Comes in from the Cold

From Simona Zipursky in Ferney-Voltaire, France. Several weeks ago, a quiet revolution began in Banikoara, in northern Benin, during a new campaign to stop the deadliest cause of much-feared meningitis epidemics in the region. On that day, vaccinators hopped on motorbikes, trucks and bicycles—bearing thousands of life-saving doses of vaccine out to rural villages in…

Tracking a Mars Rover

—Image courtesy NASA/JPL/University of Arizona Those of you who think it’s cool to drill into Google Maps and find, for example, your car sitting in your driveway, probably know that it’s all about coming to a resolution. The higher a camera’s resolution, the more details you can capture in a single image, and the deeper…