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Last updated on April 24, 2014 at 21:24 EDT

Latest Herb Maschner Stories

2007-10-16 13:28:31

POCATELLO, Idaho (AP) - Idaho State University anthropologists are retracing American Indian trade routes by bombarding arrowheads and other stone tools with radiation that helps locate their origins. The work at the Idaho Accelerator Center in Pocatello involves a process called photon activation analysis. It allows researchers to measure trace elements in an object and use the data to match artifacts with their places of origin, such as matching arrowheads made of obsidian with the lava...