O.K. is a pair of initials with a multitude of uses -- not to mention a number of different explanations of how it came to be. An upcoming anniversary is the occasion for Mo Rocca to investigate: Word ...

I am going to mount an argument that OK Computer by Radiohead is the best album of the last 20 years. However, I know that success or failure in this arena depends a lot on you, the reader. These are ...

You might be surprised to learn which came first! When you’re expressing assent to something, or conveying that you’re all right, in writing or text, do you use “OK” or “okay”? Chances are you’ve used ...

"OK" is the all-purpose American expression that became an all-purpose English expression that became an all-purpose expression in dozens of other languages. It can be an enthusiastic cheer (A parking ...

It's been 20 years since the band OK Go released "Here It Goes Again." (SOUNDBITE OF SONG, "HERE IT GOES AGAIN") OK GO: (Singing) Oh, here it goes, here it goes, here it goes again. SHAPIRO: But the ...

OK, it's quiz time: You probably say it dozens of times every day. It may be the most widely used expression in the world. And yet it's so simple. OK, ready for the answer? That's it -- the word "OK." ...

The OK hand sign has been added to a list of hate symbols. The finger-and-thumb gesture - which is also a popular emoji - is being used by some as a "sincere expression of white supremacy", according ...

Back in 1963, when the term “baby-boomer” was first published in a Salt Lake Tribune article, it carried just one definition: a person born during the tail end or in the decade after World War II, ...