https://www.cnet.com/news/yanny-laurel-audio-hearing-science-behind-why/

In the tremendous rush to understand the single greatest topic of conversation since that time nobody knew whether a dress was blue and black or actually white and gold, a number of news organizations (yes, including CNET) reached out to scientists to discover the truth behind whether a robot was saying "Yanny" or "Laurel." 

The truth? We still don't quite know -- because those experts came up with at least four different explanations.