In 2015, a simple photograph of a dress sparked lots of debate. Was it gold and white or blue and black?
No-one could agree, even though it was confirmed to be blue and black. We still think it's gold and white.
And now a new internet clip is causing similar amounts of arguments. A clip is making its way around the web and confusing everyone!
Some people say they can hear the word 'yanny', while some people think they can hear the word 'laurel. In fact, both words are being played at the same time! We're still confused. Let Ed and Emma explain this amazing phenomenon...