Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own wear out. A ...

A peculiar dental condition known as shark teeth is gaining increased attention from parents and pediatric health care professionals across the United States as more families encounter the startling ...

Seven per cent of pet dogs – mostly small, “toy” breeds – have doubled-up teeth, reminiscent of sharks’ mouths. The condition, known as persistent deciduous teeth, occurs when the dog’s baby teeth ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

Editor’s note: Every year, hundreds of undergraduates at the University of Delaware pursue research under the guidance of a faculty mentor. Such experiences provided by UD — a nationally recognized ...

While many people are scared of sharks thanks to their rows of razor-sharp teeth, the changing waters might be rendering the creatures from “Jaws” a little less fearsome. Growing acidity in the ...

Every time we see a picture of a dangerous-looking shark, the focus remains on their teeth: rows of sharp, ever-regenerating weapons that have made them some of the most fear-inducing predators in ...