A hospital worker in Iowa is without a job after a video appeared to show her flossing her teeth over a patient.

Saber teeth – the long, sharp, blade-like canines found in extinct predators such as Smilodon – represent one of the most ...

Sabre-toothed predators -- best know from the infamous Smilodon -- evolved multiple times across different mammal groups. A new study reveals why: these teeth were 'functionally optimal' and highly ...