A More Precise ALS Model (IMAGE) Brown University Caption Using selectively engineered C. elegans -- transparent worms about as long as a pinhead -- Anne Hart, a professor of neuroscience at Brown University, discovered that two different kinds of motor neurons that die in people with ALS may die in different ways. Credit Hart Lab/Brown University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.