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Aztec Conquest Altered Genetics among Early Mexico Inhabitants, New DNA Study Shows

By Guest PostFebruary 3, 2013Science1395 ad, adna, alter, ancient dna, anthropological research, archeological dig, austin, aztec conquest, aztec empire, aztec imperialism, capital, case of xaltocan, colonization, dna study, early mexico inhabitants, exodus, genetic evidence, genetic impact, genetic shift, genetic transition, genetics, historical events, imperial conquest, jaime mata míguez, lisa overholtzer, mesoamerican populations, mexican city state, migration, mitochondrial adna, otomi inhabitants, otomi people, otomi population, otomi skull, post conquest era, pre aztec, university of texas, washington state university, wichita state university, xaltocan, xaltocan dig site, xaltocan households

AUSTIN, Texas — For centuries, the fate of the original Otomí inhabitants of Xaltocan, the capital of a pre-Aztec Mexican city-state, has remained unknown. Researchers have long wondered whether they assimilated with the Aztecs or abandoned the town altogether.

According to new anthropological research from The University of Texas at Austin, Wichita State University and Washington State University, the answers may lie in DNA. Following this line of evidence, the researchers theorize that some original Otomies, possibly elite rulers, may have fled the town. Their exodus may have led to the reorganization of the original residents within Xaltocan, or to the influx of new residents, who may have intermarried with the Otomí population. (more…)

Long-Term Sea Level Rise Could Cost Washington, D.C. Billions

By Guest PostNovember 2, 2012Environment100 years, air force base, annual rate, bilal ayyub, bolling, capital, city, climate change, commercial property, damage, dc, extreme weather, federal bureau, geographic information system, gis, global warming, government infrastructure, hurricane sandy, intensity, internal revenue service, investigation, isabel, justice department, maryland, millennium, naeem qureshi, northern virginia, property, real estate, rise, risk analysis, sea level, storms, tool, tropical storm, university, Washington

College Park, MD – A University of Maryland study projects that Washington, D.C. city and federal property could suffer billions of dollars in damage if sea level rise from global warming increases over the next century. Potential for significant damage will be even greater in the event of extreme weather like Hurricane Sandy

The study by Civil and Environmental Engineering Professor Bilal Ayyub, Haralamb Braileanu and Naeem Qureshi, of the Clark School of Engineering’s Center for Technology and Systems Management, looks at possible long term effects of projected sea level rise on Washington, D.C. real-estate property and government infrastructure. They conclude that over the next 100 years, continuing sea level rise could cause damages of more than $24.6 billion to Washington’s commercial property, museums, and government agencies. (more…)

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Aztec Conquest Altered Genetics among Early Mexico Inhabitants, New DNA Study Shows

Long-Term Sea Level Rise Could Cost Washington, D.C. Billions