The Earth's oceans absorb large amounts of carbon dioxide.

The ocean contains structures larger than mountain ranges.

Fact #2114 · Ocean

Certain fish clean parasites off larger fish.

Fact #523 · Ocean

Rubber ducks accidentally became global ocean research tools when 29,000 of them spilled into the Pacific in 1992.

Fact #5738 · Ocean

Some deep‑sea fish create their own light.

Fact #2475 · Ocean

Deep-sea creatures often have bioluminescent organs for communication.

Fact #884 · Ocean

Some fish use countershading to camouflage in water.

Fact #896 · Ocean

The deepest ocean trench is the Mariana Trench.

Fact #907 · Ocean

The Dead Sea is so salty that you can float on its surface without swimming — it's almost impossible to sink.

Fact #3623 · Ocean