New Findings Contradict A Prevailing Belief About The Inner Ear
A healthy ear emits soft sounds in response to the sounds that travel in. Detectable with sensitive microphones, these otoacoustic emissions help doctors test newborns’ hearing. A deaf ear doesn’t produce these echoes. (Credit: iStockphoto/Stacey Newman)
A healthy ear emits soft sounds in response to the sounds that travel in. Detectable with sensitive microphones, these [...]