Understanding the human body is a team effort. That's where the Yachtel group comes in.

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

This is Scientific Americans' 60-second science.

I'm Steve Merski. Got a minute?

So what does rafting down the Grand Canyon have to do with science education?

Anne Reed, former research biologist and current executive director of the National Center for

Science Education. She spoke to me July 7th at the Fern Glen Canyon campsite,

the morning of our penultimate day rafting down the Colorado River in the Grand Canyon.

Well, for NCSE, it's one of the most powerful places on the earth to show the difference

between religious thinking and scientific thinking, because for a very small minority of Christians

who believe the Earth is 6,000 years old, the Grand Canyon is the best evidence they have of Noah's

flood.

Creationists run multiple raft trips down the Colorado each year. A website touting some says

the trips, quote, will encourage your faith as we reveal the truth of God's creation

found in this gigantic remnant of the biblical flood, end quote, which creationists believe

occurred some 4,400 years ago. And of course, scientists of many, many different sub-disciplines

have figured out that the canyon is much older than that.

There's the rocks, there's the biology, there's the hydrology.

...