From providing much of the oxygen we breathe to hosting myriad forms of life, corals are a critical part of our planet's eco-system. But they are dying.

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The world’s OCEANS cover 70% of our planet, are the frontline in the battle against climate change, and yet are relatively unknown. Dive down to their deepest depths to discover how scientists are using the latest technologies to uncover the vital mysteries that they have hidden.

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