Catalyst: Improved crops could lead to cleaner oceans

How can changing the root systems of our crops improve the health of the world’s oceans? “Catalyst” finds one Arizona State University scientist has discovered that stronger roots may be part of the answer.

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Roberto Gaxiola

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Explore the lives of America's first inhabitants on 'Native America'

Weaving history and science with living Indigenous traditions, "Native America" is a four-part miniseries beginning Oct. 23.

Catch up with 'Father Brown' this fall and winter on Arizona PBS

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Arizona PBS is airing encore presentations of "Father Brown" this fall and winter on Arizona PBS.

'Frontline' examines more controversial newsmakers this fall

“Frontline” investigates the controversial stories shaping our times, from criminal justice to politics to global issues.