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 YacL.

This is Scientific American's 60-second science.

I'm David Bielo at the COP21 climate talks in Paris. All we! This is Scientific American's 60 Second Science.

I'm David Bielo at the COP21 climate talks in Paris.

On December 9th, the day when protesters finally made an appearance.

A new coalition emerged here at the climate talks in Paris.

A group of some 90 nations, including the U.S., unites rich and poor, big and small. The goal is to ensure a strong global deal

to combat climate change. Such an agreement would include recognition that the world must

aim as soon as possible to hold global warming to 1.5 degrees Celsius. A long-term low-carbon future.

Five-year updated action plans that recognize the developing climate reality and aid to those

countries that did little to cause climate change, but are most at risk from it. All of those elements

are in the latest draft of the Paris Agreement. But most points are still up for debate.

U.S. lead negotiator Todd Stern called this new coalition exactly what the climate talks need

to avoid a deal that fails to take strong action to combat climate change. As Secretary of State

John Kerry put it here today, ladies and gentlemen, the situation demands, and this moment demands, that we do

not leave Paris without an ambitious, inclusive, and durable global climate agreement. First and foremost,

we need an agreement that is as ambitious as possible. We don't lose anything for being ambitious.

...