It's not just math classes where “six seven” is uttered. It pops up in other classes as well. If a teacher asks for “six or ...

Six seven’ sends teens into a frenzy that schools have been powerless to stop. ‘It’s like throwing catnip at cats.’ ...

Pinker's new book on common knowledge reveals how recursive mentalizing—thinking about thinking—shapes everything from social ...

U.S. coins aren't just for spending. They are carefully designed symbols of the nation. Beyond the well-known portraits and ...