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.j.p.

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

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

This is Scientific American's 60-second science.

I'm Diana Kwan. Got a minute?

And so, my fellow Americans, ask not what your country can do for you.

Ask what you can do for your country.

What makes a successful politician?

Experience, skill, charisma?

Perhaps you were searching for these traits while watching the recent Republican presidential debate.

But what you might not have thought about was how your perception of the candidates could be influenced by their voices.

And we cut regulation by one-third of what my predecessor put in place.

In two recently published studies, researchers looked at how the pitch of a candidate's voice

affected their chances in an election.

The first study found that in the 2012 U.S. House elections, candidates with lower voices

were more likely than a higher-pitched opponent to win, with one exception.

When running against a female opponent, candidates with higher voices were more popular, especially if they were men.

That study is in the journal Political Psychology.

In the second study, researchers wanted to know why a deep voice was a potent political tool.

...