This is the latest debate that is dividing the world: Does the computer-generated voice in the audio recording say "Yanny" or "Laurel." Nikki hears "Laurel." AJ heard "Yanny" at first; but then, after listening to it several times, he was able to hear "Laurel."

The audio clip has gone viral. As far as we can determine, it was originally posted by some fashionista named Cloe Feldman. It has been retweeted 38,000 times as of this writing, and even Ellen DeGeneres is talking about it on her show. You know it's big news, if Ellen is on it. She hears "Laurel," by the way.

What do you hear? Are you Team Laurel or Team Yanny? Listen:

Here's the explanation for why people are hearing different things, according to CNN who interviewed University of Arizona Professor Brad Story. It's too complicated for us to explain.