Do you want to know the various levels of nerds? Well, here’s one way to do it as well as share the info with others. Check out the “Know Your Nerds” t-shirt by designer Riccardo Bucchioni. Price starts at $18 and is available in 5 different sizes. There is also a similarly design hooded t-shirt, in case you are the “sporty” type. Available for both men and women.