Bioluminescence is common among deep-sea organisms.

Vaccination campaigns have eliminated several diseases in many regions.

Fact #1224 · Ocean

Sea lions can rotate their rear flippers forward to walk on land.

Fact #1245 · Ocean

The blue whale is the largest animal ever known to live.

Fact #655 · Ocean

Some deserts were once oceans.

Fact #2661 · Ocean

The Cambrian period introduced many early marine animals.

Fact #746 · Ocean

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

Fact #3845 · Ocean

Certain dolphins cooperate to herd fish in coordinated groups.

Fact #1301 · Ocean

Heart disease is the leading cause of death globally.

Fact #2828 · Ocean