Have you ever wanted to know how to remove the central nervous system (CNS) from a fruit fly larva? Of course you have.
Now you can see an expert in action thanks to The Journal of Visualized Experiments. Nathaniel Hafer in Paul Schedl's lab at Princeton shows you how to do it.
Watch the CNS form during development of the embryo in this video from YouTube. (The CNS is the black thing at the bottom.)