X-rays uncover gut of 320-million-year-old-animal

The inner workings of a tiny fossil have been studied using X-ray microscopy, revealing evidence of the digestive system for the first time. Researchers from the University of Bristol, Appalachian State University, the University of Tennessee, Knoxville and the Paul Scherrer Institut analysed the unique fossil specimen using high-energy X-rays at the Swiss Light Source in Switzerland.

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