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University of Tennessee at Knoxville


The fish were biting in ancient Alabama

Scientists discovered a 4-meter-long Polycotylus fossil with a huge tooth embedded in its neck vertebrae, suggesting a violent attack by an enormous bony fish called Xiphactinus. The fossil's internal structure was analyzed using CT scanning, revealing a three-dimensional model of the tooth and its attacker.

SourceUniversity of Tennessee at Knoxville·JournalJournal of Vertebrate Paleontology·DateMar 13, 2026

Research project co-led by University of Tennessee, Knoxville among finalists in NSF Regional Innovation Engines Program

The BRIDGES proposal aims to develop a circular bioeconomy in the southeastern US by converting perennial agricultural grass crops into consumer goods. This initiative will create new markets for farmers and produce needed products while developing the region's workforce, ultimately providing access to high-paying jobs.