(IMAGE) Helmholtz Association Caption X-ray phase-contrast tomography: This shows an early frog embryo in cellular resolution (left) and cell and tissue motion captured and visualized using flow analysis (right). Credit (Figure: Alexey Ershov/KIT) Usage Restrictions None 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.