Population genomics of the Viking world (Nature 09/16/20)
The maritime expansion of Scandinavian populations during the Viking Age (about AD 750–1050) was a far-flung transformation in world history.
These 120,000-year-old footprints offer early evidence for humans in Arabia ( Science 09/17/20)
One day about 120,000 years ago, a few humans wandered along the shore of an ancient lake in what is now the Nefud Desert in Saudi Arabia.