Archaeologists working in the southern Chinese Loess Plateau have unearthed stone tools crafted at least 2.1 million years ago by early humans. The discovery, reported in the journal Nature, implies that early humans left Africa earlier than indicated by evidence from Dmanisi, Georgia. The 2.12-million-year-old stone artifact at the Shangchen site, China. Image credit: Zhaoyu Zhu. The stone tools were discovered at a Paleolithic locality called Shangchen...
