The coolest news this week concerns anthropological research combining state-of-the-art imaging technology, medical diagnostics, genetics and sociology. We covered the implications of a black hole in an expanding universe and the eternal question researchers like to ask about children: Are they actually good people? We could go back and forth on that, but current research has landed on “yeah, pretty good, we guess.” Also: Forget everything you ever knew about armadillos, the Abrams tank of mammals.