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 ...

Now, a new study adds basic geometry to ... They displayed six shapes on the screen, then trained the birds to peck at the outlier—the one that looked different from all the others.

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