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 Yachtold, visit yawcult.co.j.

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

Happy Valentine's Day, listeners. For Scientific American Science quickly, I'm Rachel Feldman.

For many people, today is all about scrambling to get last-minute dinner reservations and

spending lots of money. I mean, showing your significant other how much you care about them.

But what about your other significant others? What about Galentine's Day and Palantines Day?

Today's guest wants to help us understand that non-romantic love and partnership can change our

lives for the better. Raina Cohen is a producer and editor for NPR's Embedded Podcast,

and she's also the author of the book The Other Significant Others, reimagining life with friendship at the

center. She's here today to share what she's learned about the history and psychology of

human friendship. Rana, thanks so much for joining us today. Glad to get to talk about this.

So what inspired you to write this book? I fell into a

friendship that for me really defied even what the definition of friendship was. My friend who I

refer to as M, she and I became much more like partners pretty quickly. I felt a kind of excitement about our friendship that surpassed anything that I had felt before.

We were incorporated into each other's routines in a way that I think is more reminiscent of a

romantic relationship where you're, you know, seeing each other most days of the week,

bring each other to your office holiday parties, know what it is that your friend cooks all

the time and what foods they won't eat

and adjusting your recipes accordingly.

...