A Black tip Reef Shark, pictured above, cruising the shallow reefs of a tropical lagoon. Kydd Pollock / Marine Photobank
By Jessica Pink
Editor's note: Shark Week 2018 has kicked off! Before you dive in, take a look at three shark stories from the past week that you should know about. For even more content, check out six of Human Nature's most popular shark stories, including our exploration of "demon whale biters."