is a condition in which you hear a snapping sound or feel a snapping sensation in your hip when you walk, run, get up from a chair, or swing your leg around. For most people, the condition is ...

But scientists at the University of Auckland in New Zealand recently recorded a rig shark, or Mustelus lenticulatus, making a sharp clicking sound, most likely by snapping its teeth together ...

Now, a groundbreaking new study has revealed one shark species may be more vocal than previously thought, making noises comparable to the sound of a balloon popping. For the first time ...