blog posts Biochemists discover the brain chemicals that make 'killer' bees such ferocious fighters Jun 18, 2018 3:45 pm by ScienceIllinois in the News Share on Facebook Tweet Email Images Science (June 15) Compounds that can make turn less aggressive bees fierce are 'another example of how behavior evolves in different species by using common molecular mechanisms,' says Illinois entomologist Gene Robinson Share on Facebook Tweet Email