Low-temperature electron micrograph of a cluster of E. coli bacteria, magnified 10,000 times. Each individual bacterium is oblong shaped. Photo by Eric Erbe, digital colorization by Christopher Pooley ...
ROME (Reuters) - A magnified image of bacteria that live on the surface of Rome's Colosseum lights up the outer wall of the ancient amphitheatre this week in what German artist Sabine Kacunko calls a ...