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On the Edge D

Hip Hop with Doctor Ho


David Ho talks about AIDS research

David Ho

Jocelyn Bell Little Green Men


Jocelyn Bell discovers a pulsar

Ecology is Hep


Rachel Carson discusses her
new book, "Silent Spring"

Rachel Carson

Albert Sabin

Paralyzing Polio


Jonas Salk and Albert Sabin develop polio vaccines

Miracle Pill


Henri Laborit and Pierre Deniker develop
a "miracle drug" for the mentally ill

Henri Laborit

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