‘Catalyst’ season 2 premiere: Aging with Autism

Men with autism confront challenges of aging with a neurological condition that impairs their communication skills, like facial expression, language, and social conversations. To understand the risks of aging with autism, neuroscientist Blair Braden, Ph.D. tracks their brain activity in a multi-year study.

WATCH: See more from season 2 of “Catalyst”

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Blair Braden, Ph.D.

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Nature “My Garden of a Thousand Bees”

Filmmaker Martin Dohrn set out to record all the bees he could find in his tiny urban garden in Bristol, England.

American Masters: Becoming Helen Keller

Explore how Keller used her celebrity and wit to advocate for social justice, particularly for women, workers, people with disabilities and people living in poverty.