Archaeologists have found 1.5-million-year-old bone tools in... - kottke.org

Archaeologists have found 1.5-million-year-old bone tools in...  kottke.org1.5 million-year-old bone tools discovered in Tanzania rewrite th ...

Archaeologists,have,found,1.5-million-year-old,bone,tools,in...,-,kottke.org