HP1a Drops (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Shown is purified heterochromatin protein 1a forming liquid droplets in an aqueous solution. On the right side, two drops fuse together over time. Credit Amy Strom/Berkeley Lab Usage Restrictions Editorial use only. 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.