Discover new worlds this Think Wednesday

Explore the lives of pumas in South America, intricate food chains in Iberia and the chemical reactions that shape our world with Think Wednesday. Tune in to this three-part series of science programs, starting Wednesday, Feb. 3 at 7 p.m.

Nature “Pumas: Legends of the Ice Mountains”

Wednesday, Feb. 3 at 7 p.m.

Travel to the ice mountains of Chile to discover the secrets of the puma, the area’s biggest and most elusive predator. Discover how this mountain lion survives and follow the dramatic fate of a puma mother and her cubs. Narrated by Uma Thurman.

NOVA “Beyond the Elements: Reactions”

Wednesday, Feb. 3 at 8 p.m.

Just about every solid, liquid, or gas in the world as we know it begins with reactions between individual atoms and molecules. Host David Pogue dives into the transformative world of chemical reactions, from the complex formula that produces cement to the single reaction that’s allowed farmers to feed a global population by the billions—a reaction that when reversed, unleashes high explosives.

Europe’s New Wild “The Missing Lynx”

Wednesday, Feb. 3 at 9 p.m.

Across Iberia, food chains and ecosystems are being restored allowing endangered animals, including the rarest cat in the world, to flourish.

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'Downton Abbey' returns to Arizona PBS

Downton Abbey season 1 cast

Return to the beginning of the phenomenon Feb. 27 (streaming) and March 7 (on air). After the Titanic goes down, the Crawley family and their household meet the new heir. All the drama, romance, scheming and triumph lie ahead.

Overcoming Anxiety, Depression, Trauma and Grief with Daniel Amen, M.D. and Tana Amen, R.N.

Dr. Daniel Amen and Tana Amen

Dr. Daniel Amen shows you how to tame your hidden dragons and help you feel happier, more positive and in control of your own emotions.

John Denver: Country Boy

A documentary that explores the private life and public legacy of acclaimed singer and songwriter, John Denver.