NOVA

自然 · 历史

S29 E10 Death Star

本集简介

Astronomers investigate gamma-ray bursts, the most powerful celestial explosions since the big bang.

上一集

2001/12/25 S29 E9

Flying Casanovas

The male bowerbird of Australia exhibits extraordinary courting antics.

下一集

2002/01/22 S29 E11

Neanderthals on Trial

Are Neanderthals our ancestors or an evolutionary dead end?

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