Finite element models of megatooth shark teeth (image) University of Bristol Share Print E-Mail Caption Finite element models of megatooth shark teeth. Models depict stress, a measure of how structures are affected by forces. Warm colours show high stress and cold colours, low stress Credit Antonio Ballell and Humberto Ferrón Usage Restrictions Single use only with press release 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.