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

Researchers have unearthed 2,000-year-old human DNA on cave walls in Spain and Portugal, a groundbreaking discovery that reveals how cave surfaces can preserve genetic material over millennia. This finding sheds new light on ancient human activities and interactions in these regions. The implications are significant for understanding ancient migration patterns and the evolution of human societies, offering a new dimension to our knowledge of pre-Roman and Roman-era populations.