This Aug. 14, 2007, file photo shows a three-dimensional model of the early human ancestor, Australopithecus afarensis, known as Lucy, on display at the Houston Museum of Natural Science. Some researchers say they now know how Lucy died: by falling out of a tree. Lucy’s skeleton has been studied at length since she was discovered in Ethiopia in 1974. As one of the oldest and most complete hominid fossils ever found, Lucy’s skeleton provides quite a bit of information on how she lived. “From the waist down, Lucy’s bones are clearly adapted to a terrestrial, bipedal walking.

Source: thestar August 29, 2016 21:22 UTC