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The Columbian exchange of crop plants, livestock, and diseases in both directions between the Old World and the New World. In 1972, Alfred W. Crosby, an American historian at the University of Texas at Austin, published the book The Columbian Exchange, [2] thus coining the term. [1]
This is the Columbia Embayment, a large indentation into the North American continent characterized by oceanic crust covered by thick sedimentary deposits. [45] [46] ("Embayment" is perhaps a misleading term, in that it suggests a bowing of a coast line, which only seems so in the context of the modern coast. In the geological past, the coast ...
Chipped stone crescents are a class of artifact found mainly associated with surface components of archaeological sites located in the Great Basin, the Columbia Plateau, and throughout California. Although their distribution covers a large portion of the western United States, crescents are often found in similar contexts in close proximity to ...
New artifacts have been found on the legendary Spanish galleon San Jose, Colombia's government announced Thursday, after the first robotic exploration of the three-century-old shipwreck.
Native American artifacts dating back to 6000 BC turned up in an alligator's stomach. Alligators often ingest grit and rocks to help digestion.
The most “unique” artifacts included an animal hide shoe, bark baskets and an antler shaped like an ice pick, researchers said. Melting ice reveals dozens of 7,000-year-old artifacts in Canada ...
Partially-faked artifacts are a major concern where heavy restoration makes it difficult to identify fakes. Many genuine artifacts are recovered in a poor state of preservation or have missing elements indicating low intrinsic market value. Restoration and additions can bring old pieces back to life and enable them to command higher prices. [13 ...
Construction workers are breaking ground for a new highway in Syracuse, New York, while archaeologists follow not far behind. A team discovered 11 toilets likely dating back to the mid-1800s ...