A discovery of a tiny skull and stone tools is providing insight into the diversity of Homo erectus. The find, which is estimated to be around 1.5 million years old, may indicate that Homo erectus and modern humans share more commonalities than previously thought, and could also shed light on the early migrations of ancient human ancestors. The discovery's significance for the human evolution timeline is still being explored, with some outlets suggesting it could rewrite current understanding, although the details and implications of the find are not yet fully clear.