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Washington State University
College of Arts and Sciences PNAS

Social tensions preceded disruptions in ancient Pueblo societies

Cliff Palace of the Ancestral Pueblo people.Drought is often blamed for the periodic disruptions of ancient Pueblo societies, but research with potential implications for the modern world, a WSU archaeologist has found evidence that slowly accumulating social tension likely played a substantial role in three dramatic upheavals in Pueblo development.

“Societies that are cohesive can often find ways to overcome climate challenges,” said Tim Kohler, Regents professor of » More …

A healthy sense of disgust can prevent sickness

Kid holding his nose.You might want to pay attention to those bad, queasy feelings. New research co-author by WSU anthropologist Aaron Blackwell  suggests that disgust could be the body’s way of helping humans avoid infection.

“We found that people with higher levels of disgust had lower levels of inflammatory biomarkers that were indicative of having bacterial or viral » More …