Massive Volcanic Eruptions Linked to Revolts in Ptolemaic Egypt

A Yale University-led study suggests that abrupt shifts in climate caused by massive volcanic eruptions helped to trigger poorly understood revolts — such as the great 20-year Theban revolt — and other political upheaval in Ptolemaic Egypt. Around 245 BC Ptolemy III, ruler of the Ptolemaic Kingdom in Egypt, made a decision that still puzzles many historians — after […]

Researchers Reconstruct Enigmatic Pre-Columbian Monument

The Pumapunku (Gateway of the Puma or Jaguar), a highly damaged pre-Columbian monument at the ancient archaeological site of Tiwanaku, Bolivia, has been reconstructed using 3D printed miniature models of architectural fragments. The ruins of Tiwanaku (500-950 CE) present an archaeological challenge owing to intense looting during the colonial period that effectively demolished the site. One building […]