Obsidian is formed when lava cools so quickly that no crystals form — it's essentially volcanic glass.

A snow leopard’s thick fur helps it survive in cold climates.

Fact #454 · Nature

Certain fish form schools to reduce predation risk.

Fact #479 · Nature

Some trees can communicate with each other using underground fungal networks.

Fact #2144 · Nature

Tardigrades can survive extreme radiation, freezing, and even space.

Fact #1738 · Nature

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

Fact #1407 · Nature

A snow owl hunts primarily in open landscapes.

Fact #512 · Nature

Some trees can communicate with each other using underground fungal networks.

Fact #1954 · Nature

There is enough gold inside Earth to coat the entire planet’s surface.

Fact #2722 · Nature