This week, we need to do work to address a component of our application that requires immediate attention. As a result, you may experience ERA to be intermittently available. We apologize for any inconvenience this may cause, and thank you for your patience as we attend to the care and feeding of ERA!
SearchSkip to Search Results
Objects of personal adornment are among the earliest signs of modern human behaviour. The first standardized ornamental artifacts in Africa are ostrich eggshell (OES) beads. Their use can be traced to at least 50,000 years ago, and they are present at many archaeological sites from the later...