"However, to measure whole-brain activity, we needed to keep the roundworms in a narrow channel so that they would not move away. We would like to improve the microscope so that we can track ...

Steve Sando was peering through a microscope at a miniscule worm squirming to escape a light when he made a surprising discovery. The type of worm he was observing, Caenorhabditis elegans, uses a ...