Sponsor message:

Also in this episode:

Catalyst: Photosynthesis

Catalyst: Drone search and rescue

Catalyst: Tuberculosis

In this segment:

Panagiotis Polygerinos, Ph.D.,
Sal Vimal Sridar

Catalyst: Earth's oxidation event
Catalyst: Tuberculosis

Sponsor message:

Sign up to receive the Arizona PBS Insider

Get up-to-the-minute information about your favorite programs and learn more about Arizona PBS news and events.

ASU on Arizona PBS
Life and Science main page
Detective odd couple 'Shakespeare and Hathaway' return

The unlikely detective duo of return to Arizona PBS for a second season beginning Thursday, Sept. 5, at 9 p.m. on Arizona PBS.  This quirky crime drama is packed with corpses, comedy and cracking mysteries.

Celebrate holiday traditions with 'A Chef's Life'

This winter, the popular series "A Chef's Life" invites viewers on a journey to discover and rediscover holiday traditions. Chef Vivian Howard hosts a holiday to remember at her home in Eastern North Carolina as she creates a Southern feast steeped in her family’s Christmas and Chanukah traditions.

Enjoy classic musicals on New Years Day