I had to go to the emergency room, and they asked me how strong my pain was. But they could have used a picture, or a questionnaire. Or a comic.
What does it feel like when a paper gets through peer review? What if a scientist drew a comic about it? Red pen/Black pen is exactly that.
James Hutson is an illustrator and animator from Melbourne, and he once made a comic explaining the only red-light fish in the animal world.