Late last year, some WikiLeaks supporters were growing concerned: What had happened to Julian Assange? The then-45-year-old founder of the anti-secrecy publisher was no stranger to controversy. Since 2012, he has sheltered in the Ecuadorian Embassy in Knightsbridge, London, following allegations of sexual assault. But the publication of leaked emails from Democratic Party officials in the run-up to the US presidential election saw Assange wield unprecedented influence while at the center of a global media firestorm. After the election, though, suspicions were growing that something had happened to him.

IBM's famous AI system has accomplished many, many things these past years, from making movie trailers to saving a person's life. Now, it's also helping teachers make lesson plans by powering Teacher Advisor, a program IBM developed with the American Federation of Teachers. If you're thinking "How hard could a grade school lesson plan be?" Well, have you seen Common Core mathematics? It's not the same math from back in the day, and teachers who didn't grow up with it might have a tough time conjuring up a way to make it more understandable.