Snapshots of the cell railroad (IMAGE) Institute of Science and Technology Austria Caption Snapshots of the cell railroad. Cells stretch away from a fish scale (left) into artificial lanes (red) and form trains (middle) in different sizes (right). Credit © Vercurysse, Brückner et al./Nature Physics Usage Restrictions Free to use when reporting about paper. 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.