Catalyst: Aging infrastructure

“Catalyst” explores the aging infrastructure of Los Angeles and why an Arizona State University professor says there may be lessons we can learn for the future of the Valley.

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In this segment:

Mikhail Chester, Ph.D.

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The Energy Paradox with Steven Gundry, M.D.

Dr. Steven Gundry reveals the source of our exhaustion and the simple steps we can take to reclaim our youthful energy in this program.

Finding Your Roots digs into season seven

Finding Your Roots with Henry Louis Gates, Jr.

Today’s most compelling personalities discover the surprising stories buried within their own families in the seventh season of the critically acclaimed PBS series

Operation Grand Canyon with Dan Snow

A team of modern adventurers take on the massive challenge of reliving the first-ever exploration of the mighty Colorado River through the Grand Canyon.