Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces ... they're like a stretched cube and have 2 square faces and 4 rectangular faces. Oh yeah. Alright.

From stars to needles to amorphous globs, scientists are demystifying a snowflake’s complex construction, showing how factors ...

Four people dressed as detectives walk past with magnifying glasses. NARRATOR: This song is all about shapes. Not flat shapes like circles and squares, but solid shapes like cubes and cones.