First living cochlea outside the body shows how hearing really works

Scientists have kept a tiny slice of cochlea alive outside the body, directly witnessing how hair cells amplify sound. The finding confirms a universal principle of hearing and could pave the way for long-sought treatments for hearing loss.

​Scientists have kept a tiny slice of cochlea alive outside the body, directly witnessing how hair cells amplify sound. The finding confirms a universal principle of hearing and could pave the way for long-sought treatments for hearing loss. Scientists have kept a tiny slice of cochlea alive outside the body, directly witnessing how hair cells amplify sound. The finding confirms a universal principle of hearing and could pave the way for long-sought treatments for hearing loss.