Microfluidic Chip 2 (IMAGE) Johns Hopkins University Caption Johns Hopkins researchers helped invent this microfluidic chip, which features tiny channels and chambers in which they can conduct experiments on small clusters of cells. Credit Will Kirk/JHU 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.