Try it. Add a “why” beside the items on your to-do list that seem hard, or boring, or intimidating. Write down why it matters ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Some of the best shows on the streaming giant right now include “The Diplomat,” “Boots” and “Wayward.” Here are our favorites. By Noel Murray Netflix adds original programming at such a steady clip ...

The human animal differs from the lesser primates in his passion ...