Trains move through the world's subway stations in a consistent pattern: arriving, stopping, and moving to the next stop—and ...

Think you’ve got a sharp language IQ? It’s time to prove it. This 27-question quiz will put your knowledge of word roots and ...

The word ephemeral means “lasting for a very short time.” It’s often used to describe things that are fleeting, temporary or short-lived. It can describe a moment, a feeling or something natural and ...