Photo: Bones In South African Cave Reveal New Human Relative

Scientists say they've discovered a new member of the human family tree, revealed by a huge trove of bones in a barely accessible, pitch-dark chamber of a cave in South Africa.The creature shows a surprising mix of human-like and more primitive characteristics- some experts called it "bizarre" and "weird."The discovery presents some key mysteries: How old are the bones' And how did they get into that chamber, reachable only by a complicated pathway that includes squeezing through passages as narrow as about 7 inches (17.8 centimeters)'The site, about 30 miles northwest of Johannesburg, has yielded some 1,550 specimens since its discovery in 2013. The fossils represent at least 15 individuals.Researchers have named the creature Homo naledi (nah-LEH-dee). That reflects the "Homo" evolutionary group, which includes modern people and our closest extinct relatives, and the word for "star" in a local language. The find was made in the Rising Star cave system.The creature, which evidently walked upright, represents a mix of traits. For example, the hands and feet look like Homo, but the shoulders and the small brain recall Homo's more ape-like ancestors, the researchers said.
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