WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.The evolution of language is something linguistics professor slash word nerd Anne Curzan thinks about a lot. She wrote an article about the newest use of the slash (it’s not just punctuation anymore). Then, third-generation word nerd Becky Vevea checks in with her eighth-grade English teacher mother and grandmother about what a hashtag is. And, of course, we have to talk about 50 years of Doctor Who!