The crow stared at the screen, as it had many times before. Six shapes appeared. Five were neat, balanced, regular; one was ...

Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

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 ...

A new study shows that like humans, crows can recognize geometric regularity, making them the first nonhuman animal known to have this ability.