Jaw bone fossil discovered in Ethiopia is oldest known human lineage remains

By Ian Sample, science editor (The Guardian): Around 400,000 years older than previous discovery of homo lineage, 2.8m-year-old jaw and five teeth was found on rocky slope in Afar region.  A lower jaw bone and five teeth discovered on a hillside in Ethiopia are the oldest remains ever found that belong to the genus Homo, the lineage that ultimately led to modern humans.  Read More…