Andean

New research led by a University of California, Davis, anthropologist reveals that archery technology in the Andes dates back to approximately 5,000 years ago. This earlier emergence aligns with societal shifts towards village life and expanded trade networks. The study suggests that the adoption of bow-and-arrow technology may have been instrumental in establishing new social norms and institutions. Credit: SciTechDaily.comWhen did archery arise in the Americas? And what were the effects of this technology on…

The south-central Andes and sites included in this study. Contour lines present at 500 m asl and 3000 m asl, defining the coastal, mid-elevation, and highland samples (U.S. Geological Survey, 2010). Credit: Quaternary Research (2023). DOI: 10.1017/qua.2023.23 Climate change in current times has created problems for humans such as wildfires and reduced growing seasons for staple crops, spilling over into economic effects. Many…

Photographs of the walled concentric sites in the Rio Lauca area of Carangas. Credit: P. Cruz; from GoogleEarth images. A trio of archaeologists from the National Scientific and Technical Research Council, Argentina, the French National Center for Scientific Research and the Institute of Research for Development, France, has found more than 100 pre-Hispanic religious sites that they believe are linked to ancient Andean cults…

Credit: University de Liege A new scientific study by researchers from the University of Liège (Belgium) shows that rivers in the Andean mountains contribute 35% and 72% of riverine emissions of carbon dioxide (CO2 ) and methane (CH4 ) in the Amazon basin, the world's largest river. This study is published in the journal Communications Earth & Environment. …

Researchers and drilling operators worked around the clock for seven weeks, drilling 100 meters into Lake Junin, high in the Peruvian Andes. Working in two 12-hours shifts, scientists collected the to help them create a record of glacial changes that stretches back nearly 1 million years. Credit: Charlie Casey Glaciers in tropical mountain ranges are experiencing similar impact from the drivers of climate change as those in…