Sharks in Question is a collective response to the thousands of questions about sharks received annually by scientists at Smithsonian's National Museum of Natural History.
For 250 million years, sharks have roamed the deep. Widely considered nature's ultimate killing machine, the shark is, in fact, threatened by humankind.
A look at sharks describes their habits, habitat, the acuteness of their senses, and human encounters with sharks, including the notorious Shark Arm Case.
Behind most myths of the sea, behind most people's sense of fear and respect for the ocean, lurks the shark—the uncontested lord of the deep.