Sea cucumbers breathe through their anus and can expel their internal organs as a defense.

The penguin’s dense feathers create a waterproof barrier.

Fact #895 · Nature

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

Fact #1882 · Nature

Rainforests are home to a vast range of biodiversity.

Fact #70 · Nature

The ozone layer is located in the stratosphere.

Fact #140 · Nature

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

Fact #2494 · Nature

Some plants release chemicals to deter herbivores.

Fact #239 · Nature

Peanuts are not nuts — they're legumes, more closely related to beans.

Fact #3411 · Nature

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

Fact #2172 · Nature