Dancing Cell (video) European Molecular Biology Laboratory Share Print E-Mail Loading video... Caption During compaction a wave travels on the surface of embryo cells, giving the impression that they "dance." Credit J.L. Maitre/EMBL Usage Restrictions None Share Print E-Mail 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.