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.com.j, 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 60-second science.

I'm Christine Herman.

We've been tranquility days here. The Ingo has landed.

July 20th marks 50 years since human beings first landed on the moon. That momentous day in

1969 made astronauts Neil Armstrong and Buzz Aldrin household names.

But years before that, a lesser-known figure was on a mission to make that first moon landing

possible.

His name was John Hobalt, the son of Dutch immigrants.

Hobalt grew up on a farm in Joliet, Illinois.

He studied engineering at the University of Illinois and eventually

worked his way to NASA. It was there in the early 60s that he put his career on the line

to champion what was at the time an unpopular idea, but would ultimately be critical to getting

Apollo 11 to the moon and safely back. John faced a mixture of indifference, at times abuse, and at times

ridicule that he never forgot until things started to change and engineers started to realize

his data might be right. Todd's Willick, author of the new audible original spoken word book

about Holbalt's life. It's called the man who knew the way

to the moon. So what was Holbalt's unpopular idea? He championed what's called lunar orbit rendezvous.

...