Good biomedical illustration can help clear up these mysteries - and clean up some of the yucky stuff too - with clear, clean, accurate renderings of anatomy, physiology, pathology, surgery, and other fascinating bodily functions. Just the thing for textbooks, websites, patient education materials, etc.

The same goes for Biology.

The Plant and Animal Kingdoms also tend to be viewed as mysterious (and oft-times disgusting) subjects. Add to this the fact that Nature can be a scary place for many ill-informed folks, and it's clear that there's an urgent need for good, informative, and aesthetically pleasing natural science illustration.