NOVA

自然 · 历史

S11 E6 Down on the Farm

本集简介

Agriculture is America's biggest industry. This productivity, envied around the world, is also depleting the most essential ingredients in farming: water and soil. NOVA looks at the agricultural dilemma, the short term need for profit and long term needs of the land.

上一集

1984/03/06 S11 E5

Visions of the Deep: The Underwater World of Al Giddings

Is there a cure for paralyzing spinal injuries? Most neurosurgeons are doubtful, pointing to the central nervous system's most apparent inability to heal itself. But others dispute the point. NOVA explores the debate, the hopes for a cure and recent breakthroughs to help paralyzed patients.

下一集

1984/03/27 S11 E7

Make My People Live: The Crisis in Indian Health Care

What are America's obligations to its native population? As an important Indian health act comes up for renewal in Congress this Spring (1984), NOVA explores the state of medical care for a proud but vulnerable minority.

当前季

S11

1984-01-17

哇，窗口太小啦

NOVA