Little robots could work together to take samples from your gut SEBASTIAN KAULITZKI/SCIENCE PHOTO LIBRARY
It鈥檚 a dirty job but something鈥檚 got to do it. A robotic capsule can suck up mucus from the gut, removing the need for uncomfortable procedures.
Gut mucus can be a more accurate indicator of a person鈥檚 health than a stool sample. But the usual process for obtaining it involves inserting a long tube, called an endoscope, into someone鈥檚 gastrointestinal tract. This can be awkward and uncomfortable.
Capsules on the other hand are easy to swallow and can get to places…
