From Nature: “In what seems like a plot straight out of a low-budget science-fiction film, scientists have revived a giant virus that was buried in Siberian ice for 30,000 years — and it is still infectious. Its targets, fortunately, are amoebae, but the researchers suggest that as Earth’s ice melts, this could trigger the return of other ancient viruses, with potential risks for human health.” But one expert insists that you shouldn’t be all that worried about this: “I would be much more concerned about the hundreds of millions of people who will be displaced by rising sea levels.”

+ Mount Everest is so covered with debris that everyone who climbs it will soon be required to haul back 17 pounds of garbage.