Feb. 13, 2025 — New research has revealed that birds, reptiles, and mammals have developed complex brain circuits independently, despite sharing a common ancestor. These findings challenge the ...

The browser you are using is no longer supported on this site. It is highly recommended that you use the latest versions of a supported browser in order to receive an optimal viewing experience.

Copyright © 2025 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.