For nearly 60 years, the “moving sofa problem,” a long-standing mathematical puzzle, remained unsolved. Last year, a Korean ...

Even the most optimistic or oblivious of Oregonians should see how much is riding on the state's ability to turn the corner ...

America’s education system is in historic decline. According to the latest report card on 12th graders, students finishing high school have fewer skills and less knowledge in core academics than their ...

If you mastered even one of these games as a kid, chances are you were training intelligence in a way that didn’t look like ...