Not palaeo or art I'm afraid, but kind of along the lines of critical thinking. When I was a kid, I lived in the United States. I also went to elementary (primary) school there. I forgot which grade it was or what class it was in, but one day, my teacher showed a video about the possibility that the Earth could be flat and how we can perceive it to be round; i.e. explanations on why the Earth looks round from outer space when it is really flat (something to do with light bending due to gravity). I was shocked, but apparently, our teacher's aim was to try and engage the kids to question established ideas, which in and of itself is fine. However, to this day, I fail to understand how she thought it would be appropriate to teach kids to question something that is observational, and present an alternative idea that has repeatedly been falsified. Fortunately (and perhaps surprisingly), our class was smart enough, and the video was met with the appropriate scepticism. However, I now ...