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Jul 11, 2014 02:20 PM ET // Tia Ghose, LiveScience
The Centers for Disease Control and Prevention is now running tests on six forgotten vials of smallpox recently discovered in an unsecured laboratory.
As a cruise ship docks with hundreds of passengers green around the gills, find out what they've got and how to prevent it.
Feb 27, 2013 01:00 PM ET // Jennifer Viegas
Viruses with their own immune systems can kill bacteria, and could be key in fighting superbugs.
Feb 24, 2012 05:50 PM ET // Rob Pegoraro
Neither one is that good at keeping out troublesome apps.