Sunflowers track the sun across the sky during growth (heliotropism) — mature flowers face east permanently.

Some prehistoric amphibians grew several feet long.

Fact #709 · Nature

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

Fact #2172 · Nature

Flash floods can occur within minutes of heavy rainfall.

Fact #823 · Nature

Volcanoes can create new land.

Fact #145 · Nature

The first land plants appeared over 400 million years ago.

Fact #690 · Nature

The ozone layer helps protect Earth from harmful ultraviolet radiation.

Fact #52 · Nature

Sharks existed before trees evolved.

Fact #2707 · Nature

Some volcanoes erupt underwater.

Fact #852 · Nature