Our ears learn at a young age to pick up clues about the vowels people are spitting out by focusing on frequencies at which certain sounds tend to resonate.
Everything from the speakers or headphones you're using, to your computer's soundcard can affect which frequencies get through.
It's worth remembering that while you most definitely hear Yanny, others, with equal conviction, hear Laurel. "All I hear is Yanny", responded Sarah Sanders.
So why is it that some people are insistent that what they're hearing is "green needle"?
A new video surfaced Wednesday showing a clear creature which lights up and speaks, but what does it say? And so the debate continues, much like we'll never know for sure if that dress was gold and white or blue and white (it was totally gold and white!).
The Air Force on Thursday apologized for an earlier tweet using the "Yanny vs. Laurel" meme to tout the US mission against Taliban forces, saying the post was made in poor taste and is being addressed internally.
Deep Silver Delays Shenmue 3 for PS4/PC Into 2019 for Additional Polishing
We promise to use this time to improve the quality of Shenmue III .We can not thank you enough for your enduring support. Originally planned for the second half of the year, the long-awaited followup has now been delayed to sometime in 2019.
For Kraus, the Northwestern professor who runs a laboratory on the biology of how humans process sound, it matters little how people interpret this single word in a poor-quality, idiosyncratic recording.
Play the clip (below) and listen for yourself!
So chances are, you may have heard a completely different sound or word, had those two options not been available.
Finally, go back to the first clip.
"Okay, brains don't make sense". But it really took off when the influential Twitter user Cloe Feldman posed the question to her 212,000 followers.
But she adds that perception can change, even in the same device.