Animated charts showing how the age of marriage has changed in the US over the last century. The myth of drug expiration dates. The obituary for the inventor of the first — and only — “self-cleaning house”. (Her patent is here.) Data considered as a gift. From 1908: “School is largely concerned with the transformation of a playing child into a working man with some of the play still left in him.” The long history of mocking Thoreau. Experiments, some successful, to evoke emotions in psychopaths. A video showing the patient, lovely restoration of an old two-person saw.