Some volcanoes emit blue lava — in Indonesia, Kawah Ijen's fires appear blue due to burning sulfur compounds.

Some bacteria can live inside rocks.

Fact #1690 · Nature

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

Fact #454 · Nature

Some volcanoes can erupt underwater without anyone noticing.

Fact #2248 · Nature

Ancient glaciers carved valleys and fjords.

Fact #728 · Nature

Cactus spines reduce water loss and protect against herbivores.

Fact #863 · Nature

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

Fact #2215 · Nature

Jellyfish have existed for hundreds of millions of years.

Fact #117 · Nature

The first land plants appeared over 400 million years ago.

Fact #690 · Nature