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Human Ancestor 'Lucy' Adept at Tree Climbing As Well As Walking

Scientists using sophisticated scanning technology on the fossil bones of the ancient human ancestor from Ethiopia dubbed "Lucy" have determined that she was adept at climbing trees as well as walking, an ability that in her case may have proven fatal. Researchers on Wednesday announced the results of an intensive analysis of the 3.18 million-year-old fossils of Lucy, a member of a species early in the human evolutionary lineage known as Australopithecus afarensis. The scans...

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