Paleolithic indigo dye; West African tool workshop; Kazakhstan burial mounds; frog sculpture from the Peruvian Caral civilization
First known use of indigo dye found on Paleolithic era stones [Alternate Link]
Archaeologists piece together 9,000-year-old tool-making workshop in West Africa [Alternate Link]
Burial mounds promise new revelations about Iron Age communities in Kazakhstan
Newly discovered frog sculpture helps confirm Caral people’s ecological connections