Fluctuating pixel brightness (IMAGE) University of Plymouth Caption A 3D surface plot of fluctuating pixel brightness in the video of an embryo with the highest peaks, which are orange, indicating the brightest pixels Credit Dr Oli Tills, University of Plymouth 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.