In the NYT, science writer John Noble Wilford reports that scientists have finally pinned a firm date on the earliest evidence of advanced tool-making by Homo erectus, a forerunner of modern humans. The new study dates the axe shown below to 1.76 million years ago.
A new geological study, being reported Thursday in the journal Nature, showed that tools from a site near Lake Turkana in Kenya were made about 1.76 million years ago, the earliest of their ilk found so far. Previous dates were estimates ranging from 1.4 million to 1.6 million years ago.
Read more: Earliest Homo Erectus Tools Found in Kenya.
Image: P. J. Texier/MPK/WTAP