A sacred site built in southwest Colorado around 800 years ago hints that the ancestral Pueblo people might have used geometry.
The analysis of the Sun Temple at Mesa Verde National Park offers the first hard evidence that a prehistoric North American society possibly employed such figures in construction.
Mammals might seem like better human stand-ins than a minnow’s striped cousin, but zebrafish resemble us in surprising and useful ways. But zebrafish also offer practical advantages over other model species: They’re cheap, hardy, breed like rabbits on Viagra, and their skin can be made transparent.
Bodies buried in unusual postures and without funeral rites could suggest a history of revenge and blood feud in certain ancient Sonoran Desert cultures, according to a paper in the August 2016 edition of Current Anthropology.
The authors say a rude burial would have deeply distressed the victim’s family and community — and sent a message of dominance and defiance. Read/listen to my full story at KJZZ’s Arizona Science Desk: