Terrifying footage of real life shark encounters is analyzed by experts with hopes of gaining new understanding of how sharks interact with humans. Terrifying footage of real life shark encounters is analyzed by experts with hopes of gaining new understanding of how sharks interact with humans. Terrifying footage of real life shark encounters is analyzed by experts with hopes of gaining new understanding of how sharks interact with humans. Terrifying footage of real life shark encounters is analyzed by experts with hopes of gaining new understanding of how sharks interact with humans.