[Rockhounds] Archaeologists discover 81 ancient settlements in the Amazon Basin

[Paul]

Archaeologists discover 81 ancient settlements in the Amazon
By Sarah Kaplan, Washington Post, March 27, 2018
https://www.washingtonpost.com/news/speaking-of-science/wp/2018/03/27/archaeologists-discover-81-ancient-settlements-in-the-amazon/

Parts of the Amazon thought uninhabited were actually
home to up to a million people, University of Exeter, March 27, 2018
https://phys.org/news/2018-03-amazon-thought-uninhabited-home-million.html

The open-access paper is:

Jonas Gregorio de Souza et al, Pre-Columbian earth-builders
settled along the entire southern rim of the Amazon,
Nature Communications (2018). DOI: 10.1038/s41467-
https://www.nature.com/articles/s41467-018-03510-7

Yours,

Paul H.