whether it's a broken tooth with an open canal, or if it has periodontal disease that's taken out some of the bone around ...

Scientists analyzed hairs extracted from the broken teeth of two 19th century 'man-eater' lions. Their analysis revealed DNA from giraffe, human, oryx, waterbuck, wildebeest and zebra as prey ...

Field Museum researchers collaborated with scientists at the University of Illinois Urbana-Champaign on an in-depth analysis of hairs carefully extracted from the lions’ broken teeth.