Mathematicians’ Favorite Shapes Hold the Key to Big Mathematical Mysteries ...

The May issue of Scientific American takes you on a deep-sea mining mission, explores dark comets and examines an invisible ...

A square and a rectangle, a circle and a triangle. BOY: If you’re looking for a square, you can see them everywhere. Images of the shapes appear as they are mentioned in the song. BOY ...

The other four faces are all triangles. The shapes with 8 vertices are the cube and the cuboid. The cube has 6 faces all the same, but the cuboid has different faces.

The shape of a structure affects how strong it is. Rectangles, arches, and triangles are the most common shapes used to build big structures. What happens when you push the side of a rectangle?

With your partner, build a triangle and a square from the straws ... Compare the stability of the shapes. Stand each shape up and press down on the top corner. What happens? How much does each ...