Paleontologists surveying a dry riverbed in northeastern Brazil repeatedly encountered the same type of fossil: a lower jaw ...

Planmeca 4D Jaw Motion is an integrated system for tracking, recording, visualizing, and analyzing mandibular movement in 3D. The system tracks and visualizes jaw movements with the Planmeca ProFace ...

Some reef fish have the unexpected ability to move their jaws from side to side, biologists at the University of California, Davis have discovered. This ability—which is rare among vertebrate ...

The slight side-to-side chewing movements used by living hippos suggest that the ancestors of both modern species relied more extensively on grinding jaw movements. Why modern hippos lost this ability ...

Some reef fish have the unexpected ability to move their jaws from side to side, biologists have discovered. This ability -- which is rare among vertebrate animals -- allows these fish to feed rapidly ...