Tyrian purple? Nope. Gentian violet. CORRECTION: the green powder is not from the sea snail. The more I thought about it, the less sense it made. Hours of research threw up Gentian violet. And though this is far, far less interesting, it has the benefit of being true. I will leave this post as it ...

This article title is absolutely on point. About a year ago, I started a post but just filled in the headline. Naturally, I completely forgot about it until Bente asked me about the draft. What I didn't tell her was that by then I had no idea what the original intention had been, but I was pretty sure it wasn't ...

In a lot of medieval manuscripts, there are depictions of knights fighting snails. No one seems to know why this is. There are some theories, but so far nothing really conclusive. It might look like some sort of insider thing, maybe among scribes or illuminators. I love that sort of thing: mysteries in plain sight ...