Stone tools put early hominids in China 2.1 million years ago

The discovery suggests hominids left Africa 250,000 years earlier than thought

stone tool at Shangchen

EARLY ARRIVAL  Researchers excavate a stone tool from 2.1 million-year-old sediment at Shangchen, China. Newly reported discoveries at Shangchen indicate that it’s the oldest known hominid site outside Africa.

Z. Zhou/CAS

Members of the human genus, Homo, left Africa far earlier than thought, reaching what’s now central China by around 2.12