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.

Yachtold 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.jp.

When it comes to a guide for your gut, count on Yacult.

For me, my style of dominance, I call myself like a nurturing pervert.

This is a two-foot signal whip. I call him swishy.

I just go like this on a person. Tap, tap, tap, tap, tap.

There's this like whole world underneath people's clothing that no one talks about.

Our science in some ways is catching up with people's existences.

I'm Megan McDonough, and you're listening to Scientific American Science Quickly.

This is part two of a four-part fascination on the science of pleasure.

In this series, we're asking what we can learn from those with marginalized experiences,

to explore sexuality, find the female orgasm, and illuminate asexuality.

In this episode, we'll take you inside the world of BDSM,

which stands for bondage and discipline, dominance and submission,

sadism, and masochism.

Practitioners say that, when done with proper consent and communication,

rough sex can be not only pleasurable, but also healing.

This is a kink-whip class.

I'm not really talking about sport-cracking techniques, though I have studied with

...