Cryo-EM improvement (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A composite image of the enzyme lactase showing how cryo-EM's resolution has improved dramatically in recent years. Older images to the left, more recent to the right. Credit Veronica Falconieri/National Cancer Institute Usage Restrictions Use credit 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.