The excavation of bone tools at Olduvai Gorge in Tanzania expands the range of ancient hominids’ cultural innovations.
Scientists discovered world's oldest known bone tools in Tanzania, revealing early human intelligence and innovation 1.5 ...
She said the elephant was stable and had improved since the other elephants were added. She moves around more and has new vocalizations. She said that when Ely arrived in 2012, after years in a circus ...