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.

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 Yacult.

For Scientific American Science quickly, I'm Rachel Feltman.

Just a heads up before we dive in, today's episode is about human sexuality.

We talk about sex, sometimes using slang terms, but without any profanity.

I'd probably give this episode like a PG-13 rating.

So if you usually listen with kids, maybe give this one a solo trial run just to make sure

you're comfortable with the questions it might raise.

And if you just really don't like hearing people talk about sex, then this episode probably

isn't for you.

No hard feelings. We'll see you on Friday.

Now that that's out of the way, the human body is capable of doing some pretty incredible things,

including things we don't yet understand. But few physical phenomena inspire as much speculation

or debate as the one colloquially known as squirting.

My guest today is Wendy Zuckerman, host of the hit podcast Science Verses.

You may remember her from her previous appearance on Science Quickly back in August.

If not, I'll refresh your memory.

We talked about anal sex.

She's back today to tell us how science versus tackle the surprisingly

...