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 CO.J-P. When it comes to a guide for your gut, count on Yacolt.

This is Scientific American's 60-second science. I'm Christopher in Talata.

Got a minute?

The 2016 presidential candidates have subjected voters nationwide to a cognitive challenge.

Can you untangle what one candidate's saying while the others talk over him?

Donald, I understand rules are very hard for you.

They're very confusing.

I have his book. Yeah, on your radio, Trump, you're doing a great job. Not him. Thank, I understand rules are very hard for you. They're very good job. I have his book.

Yeah, you're ready.

You're doing a TV show, not in.

Thank you, Donald.

Thank you for the book.

That challenge is a test of something called the cocktail party problem, or speech-on-speech

perception, which researchers in the Netherlands recently investigated, with a group of 18 musicians

and 20 non-musicians to see if musicians

are any better at it. The scientist played the study subjects a sample of one speaker

masking another. For example, try to follow what the second speaker in this clip is saying.

A pot of tea helps to pass the evening. Except they use Dutch samples.

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