Hi, you're about to get smarter in just a few minutes with Curiosity Daily from Discovery.

Time flies when you learn super cool stuff.

I'm Nate.

And I'm Callie. If you're dropping in for the first time

welcome to curiosity where we aim to blow your mind by helping you to grow your mind.

If you're a loyal listener, welcome back. Today you'll learn about what really

happens when we get a whiff of something, about the mechanism that allows dolphins to communicate with

vocal fry and the dark and windy history of body donation.

Without further ado, let's satisfy some curiosity.

For decades, scientists have been trying to understand how you smell.

Yes, my aroma is complex.

It's like fresh linens on a spring day with notes of elk antler and...

elk antler? I don't know.

Okay. I'm just baking stuff on.

Let me rephrase that.

Scientists at the University of California, San Francisco, have created the first ever 3D model of an

odor molecule activating an odor receptor in humans.

Ah, okay, they've figured out how we smell, as in like how we do the smelling act, like how our sense of smell works you got it right on the

nose aha that's for smelling like elk handler anyways this is actually a big deal with implications beyond just understanding how our olfactory senses function.

That said, understanding olfaction is a huge deal in and of itself.

And olfaction is just another way of saying sense of smell, right?

Pretty much. And if you think about it, our sense of smell is not only really complex,

...