bacteria

(Newser) - Over a million hospital patients contract a dangerous, drug-resistant staph infection every year, a rate 10 times more than previously thought. Tens of thousands infected with antibiotic-resistant "superbugs" may die from what officials call one of the nation's most serious public-health threats, today's Chicago Tribune reports.

(Newser) - Clinical depression may be treatable with bacteria, doctors at Bristol University posit. They got the idea when they observed lung cancer patients inoculated with harmless Mycobacterium vaccae who showed reduced symptoms and improved mental health. The brain produces serotonin as an immune response, the docs hypothesized, raising the low serotonin...

(Newser) - Bacterial infections could be diagnosed in moments with the use of glowing polymers developed by British scientists. The designer molecules are made to identify bacteria, bind to it, and then change shape, causing them to emit light that would give the wound a glow that's discernible to the naked eye...