Scientists find relics that push back the time of first inhabitants by about 1.4K years
(Newser) -
Archaeologists weren't too surprised when they began unearthing relics from a dig in northeastern Brazil. They were stunned, however, to keep finding relics the deeper they dug in the coastal city of Sao Luis, reports AFP . In all, they've unearthed four layers representing different eras of human habitation,...