On a single dive day in Palau, lucky divers can witness an impressive range of ocean wildlife like manta rays, sea turtles, humphead parrotfish, humphead wrasse, dugong and saltwater crocodiles to list a few. And then, of course, there are myriad colorful fish, small and large, flickering across the technicolor canvases that are the coral reefs. As the Expedition Team dried off after a dive near German Channel, Dr. Sylvia Earle was asked what was her favorite creature seen on the dive. “Humans are my favorite sea creature,” she responded with a wink. And it’s true: we are as much dependent on the sea as the dolphins and diatoms. Without the sea, there is no life. No blue, no green. No ocean, no us.…