Pumice, ejected during volcanic eruptions, is the only rock that floats — and can raft species across oceans.

Some fish can detect electrical fields in water.

Fact #221 · Nature

Lightning strikes the Earth about 100 times per second.

Fact #3397 · Nature

Some volcanoes erupt underwater.

Fact #852 · Nature

A jellyfish moves by pulsing its bell-shaped body.

Fact #506 · Nature

The Amazon rainforest plays a role in carbon cycling.

Fact #236 · Nature

Some fish can survive completely frozen.

Fact #2639 · Nature

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

Fact #2169 · Nature

The magnetic north pole moves — it has shifted hundreds of miles since it was first recorded in 1831.

Fact #3408 · Nature