An international research team led by Assistant Professor Ryuji Takasaki of the Faculty of Biosphere-Geosphere Science at Okayama University of Science has published a paper proposing a new hypothesis on the evolutionary history of dinosaur digestive systems by focusing on gastroliths—stones foun...

Source: [Phys.org](https://phys.org/news/2026-08-stomach-stone-hypothesis-evolution-dinosaur.html)

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