Today, we bring you another focus challenge, inviting you to spend uninterrupted time looking at a piece of art. This one, a painting by Elisheva Biernoff of a found photograph, is called “Advent.” It ...

Today, American adults spend the equivalent of 49 days a year on their phone and tablets. For six months, Diane Sawyer and her team traveled across the country talking to families, teachers, doctors, ...