The Palaspata temple: ancient ruins discovered in Andes shed light on Tiwanaku society; the study is published in the journal Antiquity
Archaeologists have discovered traces of ayahuasca in a 1,000-year-old leather bundle buried in a cave in the Bolivian Andes.
Humans settled in southwestern Amazonia and even experimented with agriculture much earlier than previously thought, according to an international team of researchers