Two-dimensional (2D) shapes are completely ... Irregular polygons are shapes that have sides and angles of different sizes. You can always identify the polygon by how many sides it has.

Identifying 2D shapes Find out about regular 2D shapes and irregular polygons. What is an angle? Discover the different types of angles and how to make sure you get the biggest slice of pizza.

Crows have a sense of geometric intuition much like our own, a new study reveals. They can detect the 'odd one out' in a set of geometric shapes, and have an affinity for geometric regularity – shapes ...

A new study shows that sound isn’t just heard by the ears. Sound waves altered gene expression and influenced fat cell differentiation in culture.

Romantic love may come and go, but finding the Thelma to your Louise is forever. Friends—besties, squads, workplace buddies, college roommates—play a unique role in our lives. They're companions and ...