The average lightning bolt is about 1 inch wide and 5 miles long.

Lightning can strike more than once in the same place.

Fact #818 · Nature

The penguin’s dense feathers create a waterproof barrier.

Fact #895 · Nature

Sinkholes can form when underground rock dissolves.

Fact #827 · Nature

Some volcanoes can erupt underwater.

Fact #2624 · Nature

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

Fact #2446 · Nature

Plants convert sunlight into energy through photosynthesis.

Fact #49 · Nature

There are lakes beneath Antarctica’s ice.

Fact #2643 · Nature

Some volcanoes remain dormant for centuries before erupting.

Fact #184 · Nature