Study of the origins and distribution of human populations used to be based on archaeological and fossil evidence.

对人类种群起源和分布的研究曾是基于考古和化石证据。

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This idea was modified in the late twentieth century, when geologists and oceanographers examining oceanic sediment found fossil evidence of warming and cooling of the oceans.

在20世纪后期，地质学家和海洋学家在研究海洋沉积物时发现了能够证明海洋变暖和变冷的化石，并修正了这一观点。

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New fossil evidence supports that Tyrannosaurus rex was a cannibal.

新发现的化石证明霸王龙残食同类

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Conventional theory, based on fossil evidence, suggests that this spread took place by land, via the Levant.

ECONOMIST: Out of Africa, always something new | The

But any fossil evidence of the microbes themselves has long since disappeared: "They're good and cooked, " Professor Muelenbachs explained.

BBC: NEWS | Science/Nature | Early life thrived in lava flows

Fossil evidence suggests some populations could have been around tens of thousands of years ago, long before the emergence of agriculture.

BBC: Dog evolved 'on the waste dump'