Overview: Investigators explore why sharks are attacking people in cities.
Overview: Scientists race to understand what exactly makes sharks so stealthy to save lives.
Overview: Brazen attacks targeting people; seeing if sharks are competing with humans for food.
Overview: Sharks are the perfect predator; seeing if humans can learn to outsmart sharks.
Overview: Scientists try to uncover why pregnant sharks seem more likely to attack.
Overview: Experts investigate why most shark attack victims are men.
Overview: Looking to see if there is a connection between shipwrecks and shark attacks.
Overview: Investigators examine some unusual suspects in mysterious shark attacks.