Magical Elements of the Periodic Table Presented Alphabetically By The Metal Horn Unicorns. The Metal Horn Unicorns Make Science Magical. Unicorn and Science! How magical. Take a look at the new book by Sybrina Durant with Illustrations by Pumudi Gardiyawasam. It's called Magical Elements of the Periodic Table Presented Alphabetically By The Metal Horn Unicorns. They say, "No Metal - No Magic...and No Technology". Get the book and downloadable activities, too.