With the future of deep-sea mining still under debate, here's what we know so far about the proposed practice and its impacts — and what we don't. | World Resources Institute

Did you know that about 75% of animals in the ocean are bioluminescent? While bioluminescence certainly catches our eye on our submersible dives, scientists haven't unlocked why all these creatures create their own light. Are the communicating with each other, luring in prey, or warding off predators? While the OceanXplorer was on mission in the Norwegian fjords, Scientists Henrik Glenner and Anders Garm were onboard researching a deep-sea starfish that is bioluminescent. Using super sensitive c