The Arctic is warming 4 times faster than the global average — due to ice-albedo feedback loop.

The immortal jellyfish (Turritopsis dohrnii) can revert to its juvenile state after reaching adulthood.

Fact #3244 · Nature

Some deep-sea fish have expandable stomachs to consume rare prey.

Fact #1407 · Nature

Sharks are older than trees — they appeared about 450 million years ago.

Fact #3242 · Nature

The Carboniferous period had vast swamp forests.

Fact #691 · Nature

Extreme droughts can last for years.

Fact #832 · Nature

The Sahara Desert can experience freezing temperatures at night.

Fact #121 · Nature

The oldest known living tree sprouted before the Egyptian pyramids were built.

Fact #2229 · Nature

Fossilized trees provide clues about ancient climates.

Fact #696 · Nature