Smarter Shirts EXCLUSIVE! Spell out "smarter than you" in symbols from the Periodic Table of Elements, and you have a shirt that will appeal to science smarties. (From left to right: Samarium, Argon, Tellurium, Radon, and mighty Uranium.) White sweatshirt is 50/50 cotton blend; T-shirt is preshrunk 100% cotton. Sizes M-XXL. Imported.