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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Learn about the rise and fall of fascism in Europe

Travel writer Rick Steves traces fascism’s history from its roots in the turbulent aftermath of World War I, when masses of angry people rose up, to the rise of charismatic leaders who manipulated that anger, and the totalitarian societies they built.

'Big Band Years' explores hits of the 1930s

Look back at the biggest songs that got us through World War II and kick-started the baby boom with brassy legends that will take you on a "Sentimental Journey." Peter Marshall (of the legendary Hollywood Squares) hosts this special, which for the first time mixes vintage live, rare and unreleased footage from the Big Band days.

Star-studded Mister Rogers tribute comes to Arizona PBS

Mister Rogers: It's You I Like

"Mister Rogers: It's You I Like," a celebrity-filled hour-long special that celebrates the iconic PBS series "Mister Rogers' Neighborhood," airs on Arizona PBS on Nov. 21 at 8 p.m. The pioneering PBS series premiered nationally more than 50 years ago and became an iconic and enduring landmark in the world of children’s television and beyond.