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Paleogenetics

Ancient molar tooth fossil against dark background representing Denisovan genetic discovery

The Denisovans: What a 200,000-Year-Old Tooth Reveals

A molar found in a Siberian cave has yielded the oldest high-coverage ancient genome ever sequenced, rewriting our understanding of human evolution's most mysterious relatives.

Casey Cooper·January 12, 2026

Preserved woolly mammoth calf emerging from permafrost ice with reddish-brown fur visible

Science

The Oldest RNA Ever Found Came from a Woolly Mammoth

Scientists recovered 40,000-year-old RNA from a frozen mammoth, revealing which genes were active in its final hours. This changes everything we thought we knew about extinct species.

Casey Cooper·January 10, 2026

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