All TED-Ed lessons can be edited to accommodate specific needs. “Our goal was to design a guided but also very flexible tool for teachers,” says Logan Smalley, the head of TED-Ed. But teachers aren’t ...

You may know TED, not as the guy from marketing, but as the nonprofit organization devoted to “Ideas Worth Spreading” — or as the set of global conferences, Talks, and videos that touch on the many ...

[Editor’s note: This story, originally published on November 1st of this year, was our #8 most popular story of the year. The countdown continues tomorrow with #7, so be sure to check back!] More ...