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

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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.

It's October 2003, and I'm at a gathering of scientists at the Brazilian city of Manouse in the Amazon.

Cold beer is flowing freely from a keg after a long day of workshops, presentations, and debates.

The participants are letting their hair down.

They roast each other and snap group photos.

Still, even here, the scientific work goes on.

Small groups gather around posters hanging from stands and discuss the results displayed.

But the stem, that's the basic difference between stock and the Dutch side.

But that's applied to the individual tree.

Yes.

Flavia Santana, an ecologist at Brazil's National Institute for Amazonian Research,

tells me these exhibits summarize data collected at a site, a 60-mile drive from here.

The idea of the poster session is to see what we reach it so far.

The baseline.

The baseline. Yeah.

Yeah.

The experiment known as Amazon Face.

This event is part of a meeting of its scientific advisory committee is about to start

...