Chemical analysis of the contents of a small ceramic vessel found in a 2,700-year-old burial at the site of Kani Koter revealed it contained a type of eye makeup known as kohl, according to the Greek Reporter. Kohl was widely used across ancient Egypt and the Middle East, but this example from the Iron Age cemetery in northwestern Iran is unlike any other that has previously been found. The black eyeliner was made from a combination of local manganese oxides and graphite, an ingredient that had never been identified before in ancient kohl formulas. The researchers noted that graphite would...