“Catalyst” talks to nutritionists who are curious about gluten and its impacts on the human body.

“Catalyst” examines two major issues affecting the health of the world’s oceans: plastics and fertilizer.

“Catalyst” explores the aging infrastructure of Los Angeles and why an Arizona State University professor says there may be lessons we can learn for the future of the Valley.

Many competitive athletes struggle with performance anxiety. “Catalyst” talks to an ASU graduate student who thinks a simple device may be the secret to elite athletic performance.

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