S04 · E18

Across the Silent Barrier

Jun 22, 197755m

NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil—a woman record-holding speed car racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries—a factory in Los Angeles founded by a deaf man.

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Across the Silent Barrier

Episodes

Hitler's Secret Weapon

The Hot Blooded Dinosaurs

What Price Coal?

The Sunspot Mystery

The Plastic Prison

Incident at Brown's Ferry

Bye Bye Blackbird

The Pill for the People

The Gene Engineers

The Human Animal

The Wolf Equation

The Dawn of the Solar Age

The Business of Extinction

The Red Planet

Tongues of Men (1)

Tongues of Men (2)

Linus Pauling: Crusading Scientist

Across the Silent Barrier

The New Healers