Crows remembered the face of a person they considered a threat—even across generations. Researchers caught, tagged, and released crows to see if they can recognize the face of a person who’s a threat.

The American crow, from the corvid family of birds, is one of the most intelligent animals living today. Research into crows’ level of intelligence is relatively new, but people have known for ...

Crows are highly intelligent. They can recognize faces, hold grudges, and even recognize cars. Crows cache food, and will move it if another creature sees them hiding it. They use tools, and fashion ...

Crows are incredibly intelligent birds that are capable of recognizing individual humans. But building trust with a crow goes beyond cool gifts and free snacks; you get to form a unique bond with one ...

Squares, triangles, circles - these geometric shapes appear everywhere in art and architecture going back all through human history. Geometric regularity seems to be something that the human brain is ...