The compass improved navigation at sea.

Coral reefs are built by tiny animals called coral polyps.

Fact #654 · Ocean

The vampire squid feeds primarily on marine snow.

Fact #1420 · Ocean

The immortal jellyfish is the only known animal capable of reverting to its juvenile form repeatedly.

Fact #3845 · Ocean

In 1962, a U.S. submarine nearly launched a nuclear torpedo during the Cuban Missile Crisis.

Fact #788 · Ocean

Honey does not spoil when stored properly in a sealed container.

Fact #2 · Ocean

Some butterflies migrate seasonally.

Fact #505 · Ocean

Somewhere between 50% and 80% of earth's living organisms are in the ocean.

Fact #2593 · Ocean

Only about 5% of the ocean has been explored by humans.

Fact #2776 · Ocean