Operation Ivy Bells involved Cold War submarine intelligence gathering.

Dogs can smell certain diseases such as cancer.

Fact #2538 · Ocean

There is a river in the ocean — the Gulf Stream moves more water than all of Earth's rivers combined.

Fact #3404 · Ocean

The snowshoe hare changes fur color with the seasons for camouflage.

Fact #871 · Ocean

The sea turtle’s streamlined shell aids in efficient swimming.

Fact #903 · Ocean

The Pacific Ocean is deeper than Mount Everest is tall.

Fact #258 · Ocean

Octopuses can escape sealed containers and solve puzzles.

Fact #2561 · Ocean

You are more likely to die from heart disease than any other cause.

Fact #2919 · Ocean

A jellyfish moves by pulsing its bell-shaped body.

Fact #506 · Ocean