The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a new study published in Nature from the USC Stem Cell lab of Gage Crump, with co-authors Tom Lozito and Denis Evseenko, this intricate coil of cartilage has a surprisingly ancient origin in the gills of fishes and…Continue Reading An earful of gill: USC Stem Cell study points to the evolutionary origin of the mammalian outer ear
