Fig. 1 Sphere Density and Sinking Depth (image) Osaka University Share Print E-Mail Caption This is a picture of sphere density and sinking depth. Credit Okayama University, Osaka University, University of Melbourne and Swinburne University of Technology Usage Restrictions None Share Print E-Mail 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.