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

Dolphins use signature whistles that function like names.

Fact #1313 · Ocean

Sea turtles can migrate thousands of miles between feeding and nesting areas.

Fact #1252 · Ocean

Sea otters hold hands while sleeping to avoid drifting apart.

Fact #364 · Ocean

There are deep ocean creatures that glow.

Fact #2292 · Ocean

The Cambrian period introduced many early marine animals.

Fact #746 · Ocean

The deep-sea environment is near freezing in temperature.

Fact #1419 · Ocean

Certain dolphins cooperate to herd fish in coordinated groups.

Fact #1301 · Ocean

The Channel Tunnel required underwater tunneling through chalk marl.

Fact #1536 · Ocean