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Youth Environment Nature Science Ocean

The ocean has layers that mix—sometimes. What are the layers made of? And why is it bad news when they don’t?

Youth Space Science Nature Ocean

Shark Week expert Luke Tipple explains the natural phenomenon of marine sinkholes.

Adults Animals Life Nature Ocean Wildlife

Dive beneath the surface of Earth’s oceans to discover animals as they fight to adapt.

Kids World Education Ocean

Learn all about the 5 oceans of the world.

Adults Education Human Science Nature Ocean

Sounds in the ocean can travel more than 10,000 miles - that's halfway around the world! Here's how.