It's still infectious after millennia in permafrost
(Newser) -
The biggest virus ever discovered is awake—and infectious—after a 30,000-year nap buried deep in Siberian permafrost. Pithovirus sibericum, a member of a recently discovered class of giant viruses, was found 100 feet deep in the frozen ground. It only infects amoebas, but the researchers who uncovered it...