https://www.scientificamerican.com/article/songbirds-reveal-the-dark-side-of-making-new-brain-cells-as-adults/
Songbirds reveal the dark side of making new brain cells as adults | Scientific American
Apr 17, 2026 - A new study in songbirds might help explain why humans don’t generate many new brain cells, called neurons, as adults
the dark sidenew brain cells