The average cloud weighs about 1.1 million pounds, roughly the same as 100 elephants.

Sharks have existed longer than trees.

Fact #7 · Nature

Some volcanoes can erupt underwater without anyone noticing.

Fact #2248 · Nature

Some species of ants create underground tunnel networks.

Fact #497 · Nature

Some bamboo species can grow more than a foot in a single day.

Fact #115 · Nature

Some plants grow toward light sources.

Fact #138 · Nature

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

Fact #2446 · Nature

Lightning strikes Earth about 100 times every second.

Fact #2445 · Nature

Some crystals can grow naturally.

Fact #2647 · Nature