How Greenland sharks live for hundreds of years without going blind / Gracie Hunt swims with sharks to honor Earth Day and raise awareness / Israel shark attack: Human remains found in hunt for missing swimmer / Shark AI uses fossil shark teeth to get middle school kids interested in paleontology and computer vision / Biologists witness first case of a shark intentionally making sounds / Aquarium surprised by 'virgin birth' of swell shark in all-female tank / Mystery as shark born in aquarium inhabited only by female sharks / This shark pup was born in a habitat without any males. How did that happen? / The case of a robot shark in a marine park raises questions about animal welfare / Friends of US tourist eaten by shark while diving on dream hols reveal new theory after body found in beast's belly