2,000-year-old human DNA found in caves in Spain, Portugal

Researchers have discovered 2,000-year-old human DNA on cave walls in Spain and Portugal, marking the first time genetic material has been successfully recovered from such surfaces. This breakthrough offers a non-invasive method to study the ancestry and movement of prehistoric populations.
Why it matters
This discovery provides a new archaeological tool for understanding human history without damaging sensitive cave sites or artifacts.
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Objective reporting on an archaeological discovery.
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