The Hidden World of Coral Reefs

Did you know that coral reefs are vital to the survival of our ecosystem? And did you also know that reefs can be found as deep as 8000 meters in the ocean? As deep as they are, those reefs are still not immune to the effects of human activities, nor are we outside their sphere of influence. Learn all about these amazing reefs in a new episode of SciShow, hosted by Rose Bear Don't Walk!

Thumbnail credit: NOAA's National Ocean Service
Hosted by: Rose Bear Don't Walk

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