More than 70% of Earth's oxygen is produced by marine plants, primarily phytoplankton.

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

Fact #2617 · Ocean

Public health sanitation reforms reduced disease outbreaks.

Fact #1210 · Ocean

A blue whale consumes vast amounts of krill daily.

Fact #478 · Ocean

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

Fact #655 · Ocean

A sea otter uses its chest as a surface for cracking shells.

Fact #530 · Ocean

The giant squid lives in deep ocean waters.

Fact #659 · Ocean

The tripod fish can stand on the ocean floor using elongated fin rays.

Fact #1397 · Ocean

The Dead Sea lies at one of the lowest elevations on land.

Fact #50 · Ocean