Understanding the human body is a team effort. That's where the Yachtel group comes in.

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

To learn more about Yachtolt, visit yawcult.co.com.j.

That's y-A-K-U-L-T dot-C-O-J-P.

When it comes to a guide for your gut, count on YacL.

This is Scientific Americans' 60-second science.

I'm Jason Goldman. Got a minute?

She has this thing where she goes to a movie theater,

watching a horror movie, and there was a wolf howling in the background.

University of Cambridge zoologist, Arach Kirshenbaum,

talking about his collaborator, Holly Root Gutteridge,

a biologist at Syracuse University.

She said to herself, well, that's wrong. You know, that's clearly a European wolf and not a North

American wolf like it should be in the scene.

Slight variations in the way we speak allow us to tell whether someone is from Boston.

Oh, it's going to be a wicked hockey game. I drove here from Revere.

Or New York.

Oh, you drove here from Revere? Who cares?

Just by listening to them. The same turns out to be true for the animals known as Canids,

which includes wolves, dogs, and coyotes.

They all howl to communicate, but those howls vary. Canids can tell which howls belong to their known

...