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Today, today, explain.

What you're about to hear in your today's explain feed today is unexplainable. It's

a brand new show from Vox.com hosted by my guy, Noam Hasenfeld. You may know his work

from today's explained. All I'm trying to say here is subscribe to the show if you haven't

already, because they are going to be bringing the goods people. Enjoy.

This is unexplainable. Noam Hasenfeld, hanging out here with our senior science reporter,

Brian Reznik. Hey, so this is a show about unanswered scientific questions. And Brian,

I wanted to talk to you because when we were initially talking about topics we might want

to cover on the show, you told me there was this mystery you wanted me to look into about

the nose. Yeah. I haven't done any research on this myself,

but I do remember seeing a YouTube video that it was going on about how smell is still

a mystery. Yeah, we still don't know everything about how smell works. And it's kind of

shocking because it's a pretty basic thing to not fully understand. Yeah, it's like

one of the five senses you learn in elementary school. Yeah. And as I looked into this over

the last couple of weeks, I realized this isn't just a fun mystery to solve. If we could

solve this mystery, we could actually save lives because cancer has a smell. I've never

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