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 ...

You have remaining gift available this month. This gift link is valid through . There was an error with your gift link. Please try again. When zoologists looked at ...

Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. OK, so you're familiar with "OK." ...

From Buenos Aires to Bangkok, Montreal to Moscow, the languages may differ, but nearly every taxi driver or street vendor in the world understands one word made famous during a raucous U.S.

Add Yahoo as a preferred source to see more of our stories on Google. OK's origins are apparently rather comedic. bubaone via Getty Images The English language is chock full of abbreviations. While ...

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." ...

It crops up in our speech dozens of times every day, although it apparently means little. So how did the word "OK" conquer the world, asks Allan Metcalf. "OK" is one of the most frequently used and ...