NYTIMES (Alan Yuhas) - Archaeologists Find Hundreds of Ancient Glyphs in the Amazon
The geometric earthwork structures, carved into the ground with embankments and ditches, are in some cases more than 2,500 years old, researchers said.
NYTIMES (Alexa Robles-Gil) - In Ancient Peru, a Parrot Trade That Crossed the Andes
Scientists studied centuries-old bird feathers from an ancient tomb on the coast, and then traced the origins back to the Amazon.