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 ...

Before we start talking about tiger shark teeth, get to know the shark that these teeth come from. Tiger sharks, like many other shark species (but not all of them), are solitary creatures. They tend ...

Want to know what a sand tiger shark has been eating? Look to its teeth. Peter Pinnock / Alamy Stock Photo This article is from Hakai Magazine, an online publication about science and society in ...

Archaeologists have discovered two knives that were fashioned from shark teeth about 7,000 years ago. An international team of researchers uncovered the unique artifacts during excavations on the ...

Excavations on the Indonesian island of Sulawesi have uncovered two unique and deadly artifacts dating back some 7,000 years — tiger shark teeth that were used as blades. These finds, reported in the ...

When a real-estate development threatened the remains of a 13th-century coastal fishing site on southern Brazil’s Santa Catarina Island in 1996, archaeologists rushed to excavate. They rapidly ...