Cleaner wrasse have revealed a remarkable new side of fish intelligence. Marked with fake parasites, they used mirrors to inspect and remove the spots—far faster than seen in earlier tests. Even more ...

A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion experiment. The fish, a blue-streak cleaner wrasse, had carried the shrimp upward, ...

In the current study, the scientists observed new behaviors during a series of mirror test experiments, a widely used method ...

As artificial intelligence (AI) takes a foothold across many aspects of life, large language models (LLMs) are not only transforming how we access information but may also be unlocking new dimensions ...