South Africa: Grass On Ash - What 200,000 Year Old Beds Tell Us About Our Ancestors

[The Conversation Africa] There is a fair amount of archaeological evidence that indicates complex behaviour among our ancestors. For instance, there are bone tools that were used as hunting projectiles, for working leather or for processing plants. Ochre remnants were used for body and rock painting. But plants and their products have rarely been reported to embody this type of complex behaviour.