The speedy mandibles of Strumigenys ants developed repeatedly throughout the world, explaining how evolution creates new abilities to help a species survive. Ants gather on a dewy peony bud. (Image ...

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 ...

If you’re dealing with a pest problem—namely, a mouse or two—the common solution is to set up some traditional mouse traps around your home. However, you might be surprised when you notice mouse traps ...