The idea that the pre-Columbian Amazon was pristine has taken a nose-dive in recent years. Scientists have found several ...
A pre-Columbian society in the Amazon developed a sophisticated agricultural engineering system that allowed them to produce ...
Forests flanking Brazil's rivers act as "highways" that have allowed tree species to move between the Amazon and Atlantic ...
Casarabe people grew the nutritious crop year-round on savannas thanks to networks of drainage canals and ponds.