Hold your nose and don't spit out your coffee: Doctors have found a way to put healthy people's poop into pills that can cure serious gut infections — a less yucky way to do "fecal transplants." Canadian researchers tried this on 27 patients and cured them all after strong antibiotics failed to help. It's a gross topic but a serious problem. Half a million Americans get Clostridium difficile, or C-diff, infections each year, and about 14,000 die. The germ causes nausea, cramping and diarrhea so bad it is often disabling. A very potent and pricey antibiotic can kill C-diff but...