Walking Upright Was a Birth Defect
October 14, 2007
What’s so big about walking upright? A single birth defect in a human ancestor 21 million years ago could have made it all possible, according to Dr. Aaron Filler (Cedars Sinai Medical Center), a specialist in the spine. According to EurekAlert, he proposes that in the “hominiform hominoid” Morotopithecus, a sibling was born […]
