Wasps, scorpions, ants, and jellyfish all have one thing in common--a painful sting But they aren't all bad. Find out how these animals are essential to ecosystems, and how scientists may be able to use their venom to benefit humans. Each chapter focuses on a different type of stinging animal and includes "Stinger Selfie" sidebars to introduce different species. The final chapter delves into the ways scientists may be able to use venom to create new painkillers, lower blood pressure, and even target cancer cells.