Stalagmit (IMAGE) Max Planck Institute for Chemistry Caption Stalagmite cut open: The accumulated growth layers provide researchers with precise information on climatic changes over millennia. Credit Jasper Wassenburg, Max Planck Institute for Chemistry Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.