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Today is World Oceans Day. The whole month of June is, by presidential proclamation, National Oceans Month.

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Perhaps, if you’re coastal, you can use today to take the first swim of the season. Or take up surfing. Or just dip your toes in.

If you’re landlocked take a moment to dive into some of JSTOR Daily’s ocean content. Below you’ll find some of our favorite ocean-related stories, revealing five things you might not have known about our watery world:

Ocean Views are Good for You

El Niño Affects the Ocean Currents and Plankton

This Art Responds to Ocean Pollution

Deoxgenation is a Very Real Danger

There is a Remarkable World Deep in the Mariana Trench