Catalyst: Performance anxiety in athletes

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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Nicholas Hool

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Secrets of the Six Wives

Arizona PBS celebrates Black History Month

opera singer Marian Anderson

Preview the programs that Arizona PBS is running this February in celebration of Black History Month — documentaries, awards, interviews and more.

NOVA: Beyond the Elements 'Life'

Without the chemistry of photosynthesis, ozone, and a molecule called Rubisco, none of us would be here. So how did we get so lucky?