Catalyst: Gila Monster genomes

“Catalyst” explores the evolution of the rare gila monster and how its genomes help survive it in a brutal environment.

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In this segment:

Melissa Wilson, Dale DeNardo

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'Life From Above' offers fresh perspective of our planet

Cameras in space capture an elephant family’s struggle through drought, and thousands of Shaolin Kung-Fu students performing in perfect synchronicity.

August specials: Great concerts past and present

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From rock, pop, country, blues, R&B and more, Arizona PBS has must-see concerts across every genre and generation this month.

'Poldark' rides again on 'Masterpiece' this fall

The “Poldark” saga is drawing to a close in this fifth and final season of drama in Cornwall, airing Sundays at 8 p.m., beginning Sept. 29 on Arizona PBS.