Your nose is a battleground. Just like your mouth or gut, it’s full of microbes. But while those other organs are regularlyflooded with food, the nose is a wasteland. Resources are scarce there, and competition is fierce, so nasal microbes have evolved many ways of outclassing and killing each other. And by raiding their arsenals, we could gain new weapons for our own use. Alexander Zipperer and Martin Konnerth from the University of Tübingen have…