Although I am not a math nerd, I do like the comics on xkcd.com. Especially this one.
I am a big Calvin and Hobbes fan and thought the format looked familiar! I love being surprised by intertextuality.
EDIT: I couldn’t help but post the next comic as well. I’ve always wished for a hill behind my house, a toboggan, and Hobbes on the back. I’m sure I would have solved the world’s problems by now. To see what I’m talking about,