Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to hunt and cut up meat. Unlike human teeth, shark teeth line the mouths of these ...

Sharks are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

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 ...

“Shark teeth, despite being composed of highly mineralized phosphates, are still vulnerable to corrosion under future ocean ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...

Researchers found that the USAG-1 protein could limit the growth of teeth in mice, so ensuring that the protein didn’t form could potentially invite teeth to grow. The team developed a medication to ...

Shark feeding habits are helping scientists identify marks on human bones found in the ocean. By analyzing shark scavenging behavior, the University of Florida's C.A. Pound Human Identification ...