White sharks hunt sea lions and seals along California's coast but may find humans easier prey.
A husband-and-wife team research shark species in the Indian Ocean.
Shark repellents; tiger, leopard, angel and horn sharks.
Divers attempt to learn about shark behavior.
Underwater-filming team John and Noreen McKenney.
Hawaiians believe the tiger shark is a reincarnated ancestor.
Shark sightings and attacks.
The basking shark, nearing extinction, feeds off Ireland's North Atlantic coast.
Divers observe sharks to separate fact from fiction.
Ron and Valerie Taylor devise protective diving equipment.
Cinematographers Jack McKenney and son specialize in filming sharks.
New facts about tiger sharks; leopard, angel, and horn sharks.
Researchers study sharks near the Cape of Good Hope.
The mysterious hammerhead shark in Mexico and Costa Rica.
Sharks in a Polynesian tropical paradise.
Diver and filmmaker Bernard Delemotte makes a case for the protection of the basking shark.