who only by moving can balance

genetics of an Anatarctic octopod species used to help map changes in geologically-recent ice coverage of Antarctica

(Currently I am on a kick of answering a bunch of questions at the new Earth Science stackexchange, where community culture so far doesn't make me want to claw my eyes out, unlike much of the rest of the SE network. So, you know, if you've got geology questions you wanna ask me, it's in public beta.)