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.

.jp. That's Y-A-K-U-L-T.C-O.J-P. When it comes to a guide for your gut, count on Yacult.

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

Walk through Times Square.

You're bombarded with advertising.

And it turns out a bumblebee might have a similar feeling buzzing through a field of flowers.

So these flowers are these billboards.

They're advertising a good, this delicious nectar award.

And bees are very picky shoppers.

Anne Leonard, a pollination biologist at the University of Nevada, Reno.

She describes a flower field as a sort of pollination marketplace, and one way bees choose where to visit...

Bees are nectar experts. They are really good at assessing even really small differences in the sugar concentration of nectar.

They also scope out the shape and size of flowers and their color and scent.

And now Leonard and her colleagues have discovered that bumblebees are pollen aficionados, too.

They found that out by lacing batches of cherry pollen with either table sugar or bitter quinine.

And to display the pollen to bees?

We got really into it.

We started 3D printing flowers in our lab.

And for the anther, the male flower part, which presents the pollen, pipe cleaners.

...