Lake Baikal in Russia holds about 20% of the world's unfrozen fresh surface water.

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

Fact #2027 · Nature

There are caves so large they contain their own rivers and ecosystems.

Fact #2446 · Nature

Blizzards are intense snowstorms with strong winds.

Fact #819 · Nature

Some volcanoes can erupt underwater without anyone noticing.

Fact #2248 · Nature

The Sahara Desert can experience freezing temperatures at night.

Fact #121 · Nature

Lightning strikes the Earth about 100 times per second.

Fact #3397 · Nature

Lightning can strike more than once in the same place.

Fact #818 · Nature

Fossilized trees provide clues about ancient climates.

Fact #696 · Nature