Video 2

Movie S2. Animations of the Von Mises stress distributions from finite element models of a Trypoxylus dichotomus horn loaded under vertical bending, lateral bending, and twisting.

Structural adaptations to diverse fighting styles in sexually selected weapons

Erin L. McCullough, Bret W. Tobalske, and Douglas J. Emlen

PNAS. 2014. 111:14484-14488 DOI: 10.1073/pnas.1409585111