The brains of worms are not stationary inside skulls. Neurons (red) and other cells (blue) naturally shift position as an adult C. elegans eats or moves around in its environment. The head of this ...

Caenorhabditis elegans is a species of nematode worm and is frequently chosen as a model organism to study human diseases. Image Credits: Heiti Paves / Shutterstock.com While not as sophisticated as a ...