The Gila woodpecker drills holes in saguaro cacti to nest — the holes are later used by elf owls.

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

Fact #2215 · Nature

There are organisms on Earth that can survive being frozen for years and still come back to life.

Fact #2494 · Nature

Lightning can strike the same place more than once.

Fact #230 · Nature

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

Fact #1813 · Nature

There are lakes beneath Antarctica’s ice.

Fact #2643 · Nature

Water can erode rock over long periods of time.

Fact #194 · Nature

Water is the only natural substance that commonly exists as a solid, liquid, and gas on Earth.

Fact #175 · Nature

Some bacteria can live inside rocks.

Fact #1690 · Nature