Maya blue is a highly unusual pigment because it is a mix of organic indigo and an inorganic clay mineral called palygorskite. The rich blue color does not fade over time; it has maintained its ...

"This was the gold standard for Clovis sites in North America. More Clovis artifacts have been excavated at this site than ...

Most people interested in California’s Indigenous cultures are very aware of John Peabody Harrington’s important ethnographic ...

At the time—November 1932—Howard was an archaeology research associate ... Clovis points, it seems, were an American invention—perhaps the first American invention. More than 10,000 Clovis ...

For the first time, archaeology allows humanity’s deep ... That didn’t happen in the Americas until after Europeans exported that agricultural innovation in the 16th century.