The number 9 can be written as a difference of two squares as 3 2 – 0 2 = 9 – 0 = 9. Can you find a different way to express it as the difference of two squares? Which numbers between 1 and 30 can be ...

Pizza style is about more than just triangles or squares. Today, we're deep-diving into two square-shaped classics -- Roman versus Sicilian pizzas -- to find out, once and for all, what makes 'em ...