(IMAGE) Institute of Science and Technology Austria Caption Trajectories of dendritic cells over time as obtained from experiments (left) and simulations (right). Their directional bias to move as a unified front results from the collective action of individual cells locally internalizing chemokines. Credit © Hannezo group/ Science Immunology Usage Restrictions Free use for reporting on 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.