The story of humans’ origins got a revision in 2017

Homo sapiens’ emergence pushed back to around 300,000 years ago

CT scans of Homo sapiens fossils

GETTING OLDER  Roughly 300,000-year-old fossils from Morocco have been attributed to Homo sapiens. CT scans, used to produce these reconstructions, reveal a modern-looking face (left) but a braincase similar to older, now extinct Homo species (right).

PHILIPP GUNZ/MPI-EVA, LEIPZIG

Human origins are notoriously tough to pin down.