You're listening to 20,000 Hertz.

When we look at colors, we all see things a bit differently.

For example, remember that dress that became an internet phenomenon back in 2015?

It's the dress that has divided opinion online, pitting Taylor Swift against Julianne Moore.

Some people swore it was blue, while others were convinced it was gold.

Everyone weighed in from actors to restaurants.

Kim Kardashian tweeting, I see white and gold.

Kanye sees black and blue, who is colorblind.

And no matter how much people argued about it, they just couldn't agree.

I know there are people out there that say they see blue and black and those people are crazy.

And that's because when it comes to colors, it's all a matter of perception.

But for a long time, scientists didn't realize that the same is true for sounds.

They thought if a bird was singing,

or a piece of music was playing,

our brains would process that in the same way.

But then, in the 1970s,

a researcher made a pretty surprising discovery about how we all hear sounds differently.

I'll let Noam Hassanfeld from the podcast Unexplainable take it from here.

For a lot of people, figuring out what you're meant to do with your life is a long, winding

process. But for some lucky ones, a career path becomes clear in an instant. Well, I've always

been very interested in music.

I spent all my time playing the piano and composing and so on.

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