NOVA

自然 · 历史

S18 E9 We Know Where You Live

本集简介

NOVA investigates the hidden world of direct marketing, pointing out how advertisers know a lot more about people than they think.

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1990/11/20 S18 E8

Can the Elephant Be Saved?

Is the ivory ban in the elephant's best interest? NOVA looks at the controversial strategies to save the world's largest land animal from extinction.

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1990/12/04 S18 E10

In the Land of the Llamas

NOVA profiles the llama, alpaca, vicuna and guanaco of South America. At one time nearly extinct, these four members of the camel family are exceptionally well adapted to life in the beautiful high Andes.

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