Drug Treatment Could Combat Hearing Loss (IMAGE) Massachusetts Institute of Technology Caption This is a picture of large clonal colonies of cochlear progenitor cells formed from single cells and converted into high purity colonies hair cells (cyan) with intricate hair bundles (red). Credit Will McLean, Ph.D. Usage Restrictions Images are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images. 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.