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    3 Graphs That Help Show Why Ebola Goes Viral or Dies Out

    Fighting Ebola requires lots of equipment and personnel.Morgana Wingard, USAID     In September 1854, 600 residents of London’s Golden Square died from an infamous outbreak of cholera. It was no coincidence that this occurred in one of London’s poorest neighborhoods. We now know that markers of poverty—higher population densities, decreased nutrition, lack of medical care, […]

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    Our Cities Could Get a Whole Lot Smarter

    Pieces of SolaRoad, concrete blocks topped with solar cells, were recently installed in a bike path in Holland.SolaRoad Remember having to stay at home and wait for phone calls? (If you’re below a certain age, you can consult old movies, books, or TV shows—or just trust me on this.) It wasn’t so long ago that […]