NOVA

自然 · 历史

S3 E19 The Genetic Chance

本集简介

Recent scientific developments have made it possible to detect a wide variety of defects in unborn babies. NOVA focuses on the ethical question that must be considered: What defines a defect? Should defective babies be aborted, or should they be allowed to live?

上一集

1976/06/13 S3 E18

Inside the Shark

The "Jaws" phenomenon has given sharks a bad name. But is the shark really such a barbarian? NOVA looks at the lifestyle of this remarkable survivor from the days when dinosaurs ruled the earth.

下一集

1976/06/27 S3 E20

The Case of the Bermuda Triangle

Since 1945, hundreds of ships and planes and thousands of people have mysteriously disappeared in an area of the Atlantic Ocean off of Florida, known as the Bermuda Triangle. NOVA penetrates the mystery of the terrifying Bermuda Triangle.

当前季

1976-01-04

哇，窗口太小啦

NOVA