Author Isaac Asimov once wrote, "The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but, 'That's funny ... ' " Good scientists search for the significance of surprises, coincidences and mistakes. With a little curiosity and perseverance, they can turn unexpected incidents into new insights. The Golden Mole Award, from NPR's Skunk Bear, celebrates these moments of serendipity in science. We asked for examples of happy accidents in the lab and in the field from the past few years ... and 300 submissions came pouring in. Here are a few of our favorite stories - a shortlist of Golden Mole Award nominees. 1. WHEN FROGS ATTACK Carlos Jared was doing