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.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 Larry Greenmeyer. Got a minute?

Imagine being able to instantly see what a location you happened to be at looked like 50, 75, or 100 years ago.

A team of app developers wants to use today's ubiquitous digital camera culture to make such peering into the past possible. The app, called Pivot,

will match GPS data from your mobile device with geolocation data tags on images in a database.

The system will let you alternate between real-time and archived images of a place with the swipe of your touch screen.

Two Palestinian-Americans are developing Pivot.

One has a background in public policy

and the other in cultural anthropology.

The app will focus on two geographic locations to start,

historic Palestine and Boston, Massachusetts.

In Israeli nonprofit is helping the project

by sharing its database of historic photos.

Pivot's developers plan to roll out a beta version shortly

with a more complete version of the app available by the end of the year.

It's likely that users will receive a push notification to their device

when they're near a site that can already be viewed through Pivot.

Assuming all goes is planned,

...