Whales sleep vertically — they 'log' at the surface with half their brain active to continue breathing.

Operation Ivy Bells involved Cold War submarine intelligence gathering.

Fact #1075 · Ocean

A group of jellyfish is called a smack.

Fact #3656 · Ocean

Deep-sea creatures often grow slowly due to limited food availability.

Fact #1400 · Ocean

Dolphins use signature whistles that function like names.

Fact #1313 · Ocean

The submarine cable enabled intercontinental communication.

Fact #1578 · Ocean

Roughly half of all humans who have ever lived died from infectious diseases.

Fact #2766 · Ocean

Some butterflies migrate seasonally.

Fact #505 · Ocean

There are deep ocean creatures that glow.

Fact #2292 · Ocean