“Ancient DNA has produced a revolution in our understanding of recent human origins,” said Daniel Green, field program ...

They also retraced its footsteps across Ice Age Alaska over 28 years, marking the first time scientists have been able to reconstruct a mammoth’s life history in such fine detail.

It suggests that, under the right conditions, proteins can outlast DNA by tens of millions of years, preserving biological ...

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The Great Infra-Cambrian Ice Age There is considerable geological evidence for an extensive glaciation some 600 million years ago.