Category: "Other Science". This is a miscellaneous category, open to any images which do not easily fit into the other three categories. This covers a broad range of images from research into advanced materials, biological structures, and chemical processes.
This month's winning image in this category, created by Cyril Geudj using an FEI Strata™ STEM, and simply titled "The Web", is an extremely high magnification image of a grid he uses to grow samples for TEM observation. Few other details are given about this image, but it certainly seems very far removed from the macroscopic world we are familiar with - fitting perfectly with FEI's stated brief of "exploring the sub-microscopic world" and "discovering unseen aspects of our everyday lives".