If AI language models can "learn" human languages, and translate between them, could AI also help us to decode what animals are saying? Off the coast of Dominica, a Caribbean island known for its sperm whale population, some ambitious scientists are trying to find out. Project CETI aims to use advanced robotics and AI to break the barrier of human-animal communication.

• Guest: Professor David Gruber, Project CETI President and Founder and National Geographic Explorer
• Producers: Rebecca Metcalf and Alex Tighe