Archaeologists find 300,000-year-old stone tools in Saudi Arabia

Enlarge (credit: Roberts et al. 2018) Stone tools unearthed in Saudi Arabia’s inhospitable Nefud Desert indicate that members of our genus Homo had ventured beyond the familiar borders of Africa and the Levant sometime between 300,000 and 500,000 years ago. And according to climate data captured in the bones of animals found at the site, […]