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 Yacol.

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

Cattle are a common sight in Indian cities,

but some end up in busy intersections and on highways,

where they cause accidents and traffic jams.

From blocking traffic to damaging greens and residential colonies,

untended cattle have become a nuisance in Delhi.

And the nuisance extends beyond Delhi.

All these problems is very intense in many Indian cities.

Atanupati studies animal behavior at Pandit Ravishankar Shukla University in Raipur, that's in central India.

He and his colleagues wanted to find out just how many cows lived on the streets of Raipur. So they took a census. They divided the city

into 163 grids, each consisting of one square kilometer. Then they randomly selected 20 of those

grids and started counting. We used two methods.

One is a direct headcount.

The other was photographic.

They'd take pictures in those same grids over a few days

and count the cows they may have missed.

By studying those slices of the city,

...