At www.hakaimagazine.com/article-short/was-pottery-invented-process-fish … which is a peculiar question to ask – why would anyone know the answer? True, the Japanese were using pottery a long time ago, around 13,000 years ago, and the Japanese like eating fish – but the question concerns the processing of fish, the extraction of fish oil. Not only that the article is focussed on N America and pottery in use amongst Native American societies (pre-farming). It is something to think about and can only have been asked as a result of residues found on pottery shards. It also puts another consensus theory in a bad light, the idea that pottery appeared in conjunction with early farming societies. This was not true of Japan and it seems it was not true of N America.