8. Microscope: Making It Big / Desert Doctors / Polar Bear Pass
Aired Jan 6, 1982
Microscope: Making It Big: A look at the history and present development of the microscope. Desert Doctors: A look at the mobile hospitals used to treat people inexpensively in India's Rajisthan Desert. Polar Bear Pass: A look at Polar Bear Pass, an important oasis of arctic wildlife on Canada's Bathurst Island.
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