For University of Missouri mathematics professor Stephen Montgomery-Smith, Pi is inescapable. “It’s everywhere. I mean I don’t think there’s anybody who doesn’t use Pi somewhere, if you’re a ...

Our brand has focused on value for more than 70 years, so it is troubling to see Bob Greene’s op-ed “When McDonald’s Was an Inexpensive Treat” (March 21) paint an inaccurate picture of McDonald’s ...

North Dakota is a lot different than Arizona. The Grand Canyon is replaced with Theodore Roosevelt National Park. Our sunny winters are replaced with snow and freezing temperatures. But where North ...