Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals ...

The genes that build the cartilage of fish gills were repurposed to build the cartilage in mammals’ outer ears ...

Middle ear appeared in amphibians. Reptiles, birds, mammals have all three. Inner ear Is the ancient part of the ear, originally serving to detect position and later direction of movement. Detection ...

LOS ANGELES — Scientists have ... and inner ear (where sound waves are converted to neural signals). While scientists have long understood how middle ear bones evolved from ancient fish jaw ...