Lucy's fossil includes 40% of her skeleton, one of the most complete Australopith fossils found to date. Edwin Remsberg/Alamy Stock PhotoAnalysis of Lucy’s fossil over the past 20 years has suggested that she and others of her species walked upright. Then, she used scans of Lucy’s fossil to determine how her joints were articulated and moved in life. Muscle modeling of Lucy, dubbed "AL 288-1," is compared side by side with human muscle maps. “Lucy likely walked and moved in a way that we do not see in any living species today,” Wiseman said.

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Persons: “ Lucy, ”, Lucy, Edwin Remsberg, Dr, Ashleigh L.A, Wiseman, didn’t, Isaac Newton, waddle, Dr Ashleigh Wiseman, ” Wiseman, “ Organizations: CNN, Sky, Royal Society Open Science, University of Cambridge, Leverhulme, Isaac, Isaac Newton Trust, McDonald Institute for Archaeological Research Locations: Ethiopia, United Kingdom