Published February 9, 2015 at 500 × 333 in High Life in the Andes, 12,000 Years Ago Greg Hodgins in the UA’s Accelerator Mass Spectrometer Lab dated bones from animals butchered at the sites to more than 12,000 years ago. (Photo credit: Daniel Stolte/UANews) (Visited 16 times, 1 visits today)
