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POPSFamily that walks on all four Professor Mundlos has located the gene on chromosome 17 and speculates that a gene important in the transition to bipedalism may have been knocked out in the children. Another link at: http://www.pbs.org/wgbh/nova/allfours/
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POPSMeet the Dikika Baby "... the same species as the superstar fossil called Lucy, a 3.2-million-year-old adult female found in 1974. Unlike Lucy, the baby has fingers, a foot, and a complete torso. "But the most impressive difference between them," says Zeresenay (Ethiopians' first names are their formal ones), "is that this baby has a face.""