Physics and chemistry discoveries: "Look at my shiny trophy with pretty chemicals that glow but definitely won't kill me!"
Biology discoveries: "I'm in a hazmat suit holding a gun because whatever I just found probably wants to eat my face or turn my organs inside out."
Nothing says "I've made a breakthrough in biology" quite like preparing for the zombie apocalypse it might cause. Twenty years in the lab and all I've learned is that nature is trying to kill us in increasingly creative ways.