Does this sound familiar? After three meetings and a quick sandwich, you're already sitting in the next conference. By the end of the day, you're left wondering: 'What was actually discussed and decided?' Welcome to the jungle of notes.

Many types of bacteria produce a protein complex that injects toxins into neighbouring cells to eliminate competitors. For the first time, researchers at ETH Zurich and Eawag discovered that these killer bacteria also use this weapon to feed on their neighbours.