Catalyst: Saguaro cactus

“Catalyst” follows a team of scientists who while sequencing the saguaro cactus genome made a surprising discovery. “Catalyst” also joins a Saguaro fruit harvest in the Saguaro National Forest.

In this segment:

Martin Wojciechowski

Arizona Horizon election debates 2022: Republican candidates for Congressional District 6

Election 2022: Republican candidates for Congressional District 6

Republican candidates hoping to represent Arizona's sixth congressional district debate the issues with Ted Simons moderating.

Trinity: Classically Irish

Enjoy a great evening of Irish music as these three charming performers sing some of the most beloved songs from Ireland’s musical history

Great Performances “Michael Buble Tour Stop 148”

Experience superstar singer Michael Bublé’s visually thrilling and musically triumphant ‘To Be Loved Tour’ along with exclusive footage.