Episode Notes We’re lucky to get a lot of listener questions—and now our host Willa Paskin is personally calling our listeners back to answer them, in a feature we’re calling Decoder Rings Back, available exclusively to Slate Plus subscribers. This week, we answer a query from Susan Scribner, a listener in St. Louis. She reached out to us wondering how the same hospital receiving blankets used when her kids were born decades ago have stuck around—and seem to be the only receiving blankets