Early humans needed more than access to water to settle ancient Arabian deserts
Models of early population migrations assume people moved to places with easy access to water. But this assumption has left us with a fascinating mystery in ancient Arabia. Despite evidence that monsoon rains once filled lakes and supported grasslands in the vast sandy interior, evidence of early human occupation is concentrated almost entirely around the desert margins.
We haven't written up this one. Phys.org has the full story — the link below goes straight to it.
