Sound travels 4.3 times faster in water than in air — enabling whales to communicate across ocean basins.

The Earth's oceans cover more than 70% of the planet's surface.

Fact #220 · Ocean

Some whales communicate across vast distances underwater.

Fact #228 · Ocean

The Great Barrier Reef is located off the coast of Australia.

Fact #305 · Ocean

Certain marine animals use camouflage to blend into coral reefs.

Fact #487 · Ocean

A giant squid lives in deep ocean waters.

Fact #522 · Ocean

The ocean contains structures larger than mountain ranges.

Fact #1861 · Ocean

The Dead Sea is so salty that nothing larger than bacteria can survive in it, and swimmers float effortlessly.

Fact #4257 · Ocean

The highest recorded ocean wave exceeded 80 feet in height.

Fact #920 · Ocean