If you want to put on a surgical mask, rubber gloves, goggles, ear muffs and trap yourself in a plastic bubble after watching this terrifying video of how fast an epidemic would spread across the world, well, I’d totally understand. Because it’s crazy fast. Using the world’s air transportation network, theoretical physicists have created a model showing how a disease originating from one city can taint the entire world.
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The flu, as many are unfortunately aware, hit especially hard this year, and Google’s Flu Trends map only confirmed and then heightened our mucus-coated fears. Or so we thought. As Nature points out, a comparison between Google Flu Trends (which bases its map off flu-related searches) and traditional surveillance data showed that our beloved search engine had grossly overestimated the extent of the flu epidemic. More »
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