Almost anybody can do 100 miles. If you can run 10 miles, you can run 100 miles. But you have to be persistent, says Roche. “There’s the cliche of being willing to occupy the pain cave, and it’s true, ...

If you’ve ever looked at a flight tracker app, you might have noticed something odd: airplanes rarely fly in perfectly straight lines. Instead, their routes zigzag between points, curve across the ...