Across 140 million years of silence, the daily rhythms of plesiosaurs have finally spoken — not through bones, but through the humbler evidence of digestion. A Cambridge-published study by paleontologist Dr. Dirk Knaust reveals that these great marine reptiles swam from deep ocean hunting grounds into the shallow river deltas of what is now Norway, there to regurgitate the indigestible shells and skeletal remains of their seafloor prey. The discovery, drawn from fossilized vomit pellets found in North Sea drill cores, suggests that even the most formidable creatures of the ancient seas sought