If you've got the time, we've got the riddle. And it's time for a riddle about time: How many numbers are on a clock? It begins with the simplest of questions that, nevertheless, has no simple answer.

Some people check a wristwatch; others use a smartphone app or the position of the sun. But although these methods will tell you what time it is, they won’t reveal your internal time – that is, the ...

Sign up for CNN’s Life, But Greener newsletter. Our limited newsletter series guides you on how to minimize your personal role in the climate crisis — and reduce ...

A former boss once assigned me to the only office on our floor with a column right down the middle. She apologized, but I quickly sensed my advantage. Positioning my desk behind this eyesore, I could ...

We say this word multiple times a day, but what does it really mean? Two linguists took the time to explain the fascinating origin of o'clock. Read on to learn what the o in o’clock stands for and how ...

Whether you use your phone as an alarm to get up in the morning, like to listen to podcasts or sleep sounds as you drift off, or simply want to be sure the battery is full come morning, a nightstand ...