NOVA

自然 · 历史

S3 E7 Ninety Degrees Below

本集简介

There's one place on earth where no one will ever catch a cold. And the freezing waters are so bitter there that a fish has been discovered to have developed its own anti-freeze. NOVA explores Antarctica—the coldest desert in the world.

上一集

1976/02/08 S3 E6

A Small Imperfection

Every year, some 5,000 babies are born in the US with spina bifida, a congenital abnormality of the central nervous system. NOVA explores the mystery of what causes spina bifida and raises the issues of whether heroic measures should be taken to preserve the life of severely malformed babies.

下一集

1976/03/07 S3 E8

The Race for the Double Helix

Author Isaac Asimov joins NOVA in the retelling of the remarkable story of the discovery of the structure of DNA. James Watson and his ex-colleague Francis Crick exchange memories of the events which led to their winning the race for the structure of the gene.

当前季

1976-01-04

哇，窗口太小啦

NOVA