Powerful and deadly, the bite of a trap-jaw ant is renowned throughout the animal kingdom. Unlike normal gripping jaws, which rely on muscles to open and close, the trap-jaw latches itself open, ...

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 ...

March 2 (UPI) --How did the trap-jaw ant evolve such a complex mechanism for snatching its prey? Today, the mandibles of trap-jaw ants take many forms, suggesting a tremendous level of anatomical ...

New biomechanical research shows Smilodon's legendary saber teeth came with a surprisingly weak bite — and reveals the real weapon it used to kill instead.

video: The animation shows the changes in form as the trap-jaw mechanism becomes more divergent from the ancestral form. The jaws (yellow) develop small projections that can latch onto the labrum ...