![Computer generated hualongdong Middle Pleistocene human skull](https://cdn.statically.io/img/cdn.mos.cms.futurecdn.net/oU3LJWodKbxEKeAeCkxE87-320-80.jpg)
Strange, 300,000-year-old jawbone unearthed in China may come from vanished human lineage
Fragments of a jaw bone unearthed in China have a mosaic of features that are present in both modern and archaic humans, making it difficult to place on the human evolutionary tree.