No, this is not a still from the Radiers of the Lost Ark scene when the ark is opened, but an absolutely magnificent image of southern Chile's Puyehue-Cordón Caulle volcano spewing lightning-topped ash. Wow. Ricardo Mohr's photo was selected as one of National Geographic's "Pictures We Love: Best of October."
David Pescovitz is Boing Boing's co-editor/managing partner. He's also a research director at Institute for the Future. On Instagram, he's @pesco.