31/07/2026
Hearing is made possible through sensory hair cells in the inner ear, but humans are unable to naturally replace them. While other animals, such as birds and fish, can replace these cells once they die, the loss in humans is generally permanent. After decades of dead ends, researchers have discovered a combination of genes that can generate new cells in the inner ear—replacing those that make it possible to hear: https://on.natgeo.com/C54NFx
