Maybe you are one of the victims of a debilitating gastrointestinal disease, like gastric acid reflux or pathogen H pylori. When you are suffering from those diseases, you might wonder how bacteria which causes peptic ulcers can survive the acidic environment in your stomach? Besides risky invasive surgeries treating gastric acid reflux, is there an easier way getting rid of heartburn? You may be inspired by two recent CUHK breakthroughs.