Microbes are usually cast as villains, yet most of the microscopic life on and around us is quietly keeping us alive. From the bacteria lining your gut to the organisms drifting in city air, these ...

You are not a singleton. No matter how well you think you know yourself – even if you sent your saliva to 23andMe – you are only skimming the surface. Your human genes represent only 1 percent of your ...

Scientists are finally tracing, step by step, how bacteria strip down and rebuild steroid molecules into compounds that look a lot like modern drugs. By mapping these microbial assembly lines in the ...