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7 things we don't know about the ocean

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The ocean covers 70% of the planet, but humans still don’t know very much about it. In this video, Hank Green from SciShow discusses seven mysterious ocean topics.


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Customize This Lesson

Create and share a new lesson based on this one.

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

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