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Kate Sarther Gann
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Did Ancient Humans Shape Our Climate?
Did Ancient Humans Shape Our Climate? We all know that humans are having a massive impact on the planet. Our effects include altering the Earth’s rotation by damming large amounts of surface water; changing the composition of the atmosphere by punching a hole in the ozone layer and adding vast a...
President Obama Declares New National Monument in Southwest New Mexico
President Obama Declares New National Monument in Southwest New Mexico President Obama’s record on public lands protection has been spotty – as of January 2013, he’d opened more than twice as many acres to drilling as he’d conserved. Lately, though, the POTUS has been on a bit of a roll. O...
Proposed Transmission Line Threatens the Archaeology of the San Pedro Valley
Proposed Transmission Line Threatens the Archaeology of the San Pedro Valley The U. S. Bureau of Land Management (BLM) released the SunZia Southwest Transmission Line Project Final Environmental Impact Statement (EIS) in June 2013. The BLM proposes to select the preferred alternative presented in th...
Current Research at the Center for Desert Archaeology - Tracking Kayenta, Understanding Salado
Current Research at the Center for Desert Archaeology - Tracking Kayenta, Understanding Salado Our work in Mule Creek and the Upper Gila is part of the Center’s long-term research project to assess the scale and impact of Kayenta migrations in the southern Arizona during the late 13th and 14th cen...
Did Ancient Southwestern Peoples Trade Turquoise for Chocolate?
Like Turquoise for Chocolate? Talk about a sweet deal—prehistoric peoples of Mesoamerica may have traded chocolate for gems from the U.S. Southwest, a new study suggests. Traces of a chemical found in cacao—the main ingredient in chocolate—were found in several drinking vessels from variou...