The Mariana Trench reaches depths of nearly 36,000 feet.

There are more atoms in a glass of water than glasses of water in all Earth's oceans.

Fact #2341 · Ocean

A single Google search uses enough energy to power a 60-watt lightbulb for 17 seconds.

Fact #3383 · Ocean

Dolphins can recognize themselves in mirrors.

Fact #1295 · Ocean

There are underwater lakes on Earth.

Fact #1685 · Ocean

Some volcanoes erupt underwater.

Fact #852 · Ocean

Some deep-sea fish have expandable stomachs to consume rare prey.

Fact #1407 · Ocean

Dolphins use teamwork.

Fact #2576 · Ocean

Some whales sing songs that travel hundreds of miles underwater.

Fact #381 · Ocean