When you think of pasta, spaghetti and penne may come to mind. However, the world of pasta is far richer and more diverse ...

Valentine's Day means tiny cards traded among schoolchildren and romantic dinners. It also means heart-shaped food. Of course ...

Two-dimensional (2D) shapes are completely flat. They have two dimensions – length and width. A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or ...