NOVA

自然 · 历史

S5 E2 Blueprints in the Bloodstream

本集简介

It has been known since the turn of the century that there are four human blood groups, based on different red cells and serum characteristics. NOVA looks at the more recent discovery that the different white cell types, as determined by a variety of different molecular markers on the cell surface, open up the possibility of the prevention of disease.

上一集

1978/01/04 S5 E1

In the Event of Catastrophe

Can a nuclear war be survived? Some members of the defense community say yes. NOVA explores the possibility.

下一集

1978/01/25 S5 E3

One Small Step (1)

Part one of a two-part series on the subject of man in space, NOVA examines the history of NASA—from the origin of the space race through the triumph of the Apollo programs. By tracing the history of three key programs—Mercury, Gemini, Apollo—we show how the basic challenges surrounding space flight were answered: rendezvous and docking, life support, weightlessness, space sickness, equipment reliability and so on.

当前季

1978-01-04

哇，窗口太小啦

NOVA