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Crucial Geological Proxy May Be Misinterpreted

Many inferences about past climate and evolution depend on a measurement with dubious interpretations.

Fossil Forest Found in Antarctica

Claimed to be 280 million years old, stumps of fossil trees retain original material in the world's coldest climate.

Stromatolites and Suppositions

We know some things about stromatolites, but we don't know what we don't know.
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