Study identifies how Enterococcus faecalis bacteria causes antibiotic resistant infection

A new study led by a research team from Massachusetts Eye and Ear and Harvard Medical School describes how bacteria adapted to the modern hospital environment and repeatedly cause antibiotic-resistant bloodstream infections. Infections acquired by hospitalized patients are more often antibiotic-resistant than those that occur elsewhere, and hospitals invest considerable effort to prevent them. Despite…

Finding the key to flightlessness

Since Darwin’s era, scientists have wondered how flightless birds like emus, ostriches, kiwi, cassowaries and others are related, and for decades the assumption was that they must all share a common ancestor who abandoned the skies for a more grounded life. By the early 2000s, new research using genetic tools upended that story, and instead…