Ice Age hunter-gatherers lived at extreme altitudes
Sites in the Peruvian Andes indicate early Americans adapted quickly to high life
![volcano Nevado Coropuna in Peruvian Andes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/10/kb_credit20Kurt20Rademaker_nevado20coropuna_free.jpg?fit=860%2C460&ssl=1)
INTO THIN AIR After finding two Ice Age archaeological sites in the Peruvian Andes, near the volcano Nevado Coropuna (shown), researchers have determined hunter-gatherers inhabited extreme high altitudes earlier than thought.
Kurt Rademaker