Early humans settled in Arabia

[USA Today]  Stone Age tools uncovered in Yemen point to humans leaving Africa and inhabiting Arabia perhaps as far back as 63,000 years ago, archaeologists report.  "The expansion of modern humans out of Africa and into Eurasia via the Arabian Peninsula is currently one of the most debated questions in prehistory," begins an upcomingJournal of Human Evolution report led by Anne Delagnes of France's Université Bordeaux.