The research of a Korean mathematician who solved the "Moving Sofa Problem," a mathematical conundrum that has remained unsolved for nearly 60 years, ...

A South Korean researcher who solved the ‘moving sofa problem,’ a mathematical puzzle that had remained unsolved for nearly ...

You know that stack of insurance documents sitting in your email? The ones you haven't looked at since the day you signed ...

My sister followed all the rules I broke. For decades, I thought that made me smarter. Then she died, and I realized she’d ...

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 ...

During the holidays, it’s so easy to get wrapped up in the spirit of giving — even after everyone’s been checked off the list ...

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 ...

Youth baseball isn’t fading for lack of talent. In Philadelphia’s neighborhoods, the real crisis is volunteers—and the ...

James is 58 years old. He's built up about $1.5 million in retirement accounts and still has a modest mortgage on his home.

Over a career that stretched nearly seven decades, Brian Keith appeared in more than 60 feature films and headlined multiple ...

WHAT’S THE HURRY? Elsewhere, fast deliveries mean 15-30 mins. Only in India is the timeline under 10 minsEvery year, as urban ...