Something horrifying is happening in the waters off Brazil. Sharks are attacking surfers near the city of Recife at an unprecedented rate, scaring the locals and forcing the government to ban the sport at one of it’s most popular beaches. Over the past decade, 45 people have been attacked by bull sharks in the region, 16 were deadly. And while these attacks are not unheard of, the fact the port city had recorded only one in the 75 years prior, is perplexing. Are the sharks rebelling? Have they had enough of people overcrowding their home? Or is there something less...