For most insects, the sticky, slingshot ride straight into a frog’s mouth spells the end. But not for one stubborn water beetle. Instead of succumbing to the frog’s digestive juices, an eaten ...

The nice thing about being a frog is that you don’t have to chew your food—just gulp, and down the hatch. The problematic thing about being a frog is that you don’t have to chew your food, which means ...