Unless you've been on a desert isle for nearly four decades, innovative designs from industry icon Hartmut Esslinger and his team at Sunnyvale, Calif.-based frog design have likely caught your eye.

A single hornet sting can be powerful enough to kill a small mammal. But to pond frogs, the venomous insects appear to be more of a delicacy. In results reported in Ecosphere, ecologists found that ...