Treadmill for microswimmers (IMAGE) Washington University in St. Louis Caption Washington University researchers created an acoustic microfluidic method that offers new opportunities to conduct experiments with swimming cells and microorganisms. This image shows acoustic trapping (left) and releasing a synchronous (right top) and asynchronous cilia waveform (right bottom). Credit Meacham lab, Washington University in St. Louis Usage Restrictions For editorial purposes License Original 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.