This glowing green monstrosity isn't a radioactive Doctor Who monster, it's a common fruitfly, part of Duke University's awesome microscopy gallery. (The right image shows a larval brain, the left shows dorsal closure.) Gallery below.
The Duke Light Microscopy Core Facility has allowed us to look at everything from liver cells to scallop eyes up close, showing how alien they can appear up close. Here are a few more of our favorites:
More pics, including a Quicktime movie of that fruitfly's dorsal closure, at the link. [Duke University LMCF Gallery]