Wasp stings are a common, yet painful problem. There are many species of wasp, the most common being yellow jackets and hornets. Similarly, there are many reasons why a wasp may sting you.

By Darren Incorvaia By the time Matvey Nikelshparg was 13, he was obsessed with parasitoid wasps, tiny insects that lay their eggs on or inside other bugs. Under a microscope in a lab he had ...