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

Image caption, Angle A ... Some congruent shapes can fit together without gaps. If this is possible the shape is said to tessellate. The construction of a beehive is a real-life example of a ...

Interior angles in a triangle add up to 180˚. Triangles close triangleA polygon with three straight sides. have three sides, therefore they have three angles. Interior angles in a triangle sum to ...

The birds' work involves basically playing computer games that are designed to tease out how much they know about math. For this study, the birds would look at a computer screen and see a group of six ...