Scientists have created a new way to detect intestinal bleeding that takes just 20 minutes. That’s a major improvement over the usual 10 hour or more time frame. The trick? Bacteria packed inside tiny ...

Tiny ingestible spheres filled with engineered bacteria can detect intestinal bleeding by glowing when they encounter heme. Early tests in mice suggest they could become a quick, noninvasive way to ...

Discovering blood in your stool can trigger immediate anxiety and concern, but understanding what this symptom means helps distinguish between minor issues and serious conditions requiring prompt ...

Gut bacteria and a diet rich in the amino acid tryptophan can play a protective role against pathogenic E. coli, which can cause severe stomach upset, cramps, fever, intestinal bleeding and renal ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...