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 Yachtold, visit yacult.co.j.p.

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

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

This is Scientific American 60-second science.

I'm Suzanne Bard.

The rain in Spain stays mainly in the plane.

The rain in Spain stays mainly in the plane.

Why can people speaking the same language have such different accents?

The short answer, new accents

begin to develop when isolated groups of speakers start making nearly imperceptible changes

to the way they pronounce words. Accent development is the first step in language change. 1500 years ago,

languages like English, Dutch, and Swedish were actually all dialects of

the same language, but of course then they diversified over time.

University of Munich linguist Jonathan Harrington.

He's interested in how accents first get started.

But because of global communication, most communities are no longer linguistically isolated.

And audio recording equipment didn't exist back when more of them were.

So how to capture the early stages of accent formation today?

Harrington and his team turned to members of the British Antarctic Survey who speak

...