I've been looking around the internet for a solid list of science related shirts and other merchandise, but couldn't seem to find one. I figured a forum like this would be a good place to start one. Though I don't have much to add myself, I thought you might like one of my designs that recently became available over at Cotton Bureau. "Gravity Surf," as I've come to call it, is a little play off of the discovery of gravity waves. It's only available for about a week and a half, though, so don't wait to pick one up if you're interested! Here's a link, followed by a 10% off discount code you can use at checkout: Advertising link removed by moderator Feel free to post any other science-related merchandise that you've found. I'm a huge fan of graphic tees, but I'd like to see what else you can find.