William Neuman reports on the importance of the new discovery for the New York Times: At the site called Incahuasi, about 100 miles south of Lima, excavators have found, for the first time, several ...

In Clive Cussler’s thriller Inca Gold, a crucial clue in an international treasure hunt is encoded in an ancient tangle of knotted, colored strands. Using a computer to identify patterns, an expert ...