Medically reviewed by Jay N. Yepuri, MDMedically reviewed by Jay N. Yepuri, MD The large and small intestines are part of the gastrointestinal (GI) tract, the passage running from the mouth to the ...

In a paper published Sept. 24 in the Proceedings of the National Academy of Sciences, they report that a flexible pipe—with an interior helical structure inspired by shark intestines—can keep fluid ...