>"Tiny beads are revealing big stories about human prehistory. A decade-long study of more than 1,500 beads found across Africa has revealed a 50,000-year-old social network, archaeologists say."
>"Tiny beads are revealing big stories about human prehistory. A decade-long study of more than 1,500 beads found across Africa has revealed a 50,000-year-old social network, archaeologists say."