Wild dolphins use sea sponges as tools to hunt safely, revealing how animal culture survives despite hidden sensory costs.

Why it matters: In what could be the best use of AI to date, Google is using a new AI model and Pixel phones to try to understand dolphins and eventually communicate with the mammals. The aptly named ...

Research suggests that dolphins develop a lifelong vocal “name.” Here’s how they evolved this high level of social identity, once thought to be uniquely human.