Unknown Ancient Lineage Found in South America

Unknown ancient lineage persisted in South America for 8,000 years.

Why it matters

  • Reveals previously unknown ancient human lineage in South America.
  • Expands ancient DNA records by over tenfold.

By the numbers

  • DNA from 238 ancient individuals analyzed, spanning 10,000 years.
  • New lineage dates back 8,500 years, persisted for at least 8,000 years.

The big picture

  • Region among last reached by humans during global expansion.
  • Shows cultural diversity without genetic mixing.
  • Highlights potential of ancient DNA studies.

Caveats

  • Timeline of early human presence in region debated among archaeologists.

What’s next

  • More insights expected as DNA data expands.
  • Aims to create detailed ancient population maps for Argentina.