Almost nothing survives of what people wore in the Iron Age. Linen, wool and dyes are all organic matter, and in most soils they simply rot away. Archaeologists therefore tend to reconstruct the history of textiles from the tools that do last, above all spindle whorls: small stone or ceramic discs that weigh down the […]

Egyptian blue predates the pyramids’ final form. Egyptian artisans were producing it before 3100 BCE, making it, as far as archaeologists know, the first pigment humans ever manufactured synthetically. It’s a compound called cuprorivaite (calcium copper silicate), made by firing silica, lime, copper compounds, and alkaline salts at high temperature until they crystallize into a […]