Some species of frog produce blue-green fluorescent biofluorescence — visible under ultraviolet light.

The penguin’s dense feathers create a waterproof barrier.

Fact #895 · Nature

Some species of jellyfish glow in the dark.

Fact #357 · Nature

Some dinosaurs laid eggs in large nesting colonies.

Fact #679 · Nature

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

Fact #1887 · Nature

Some spiders spin silk stronger than steel by weight.

Fact #886 · Nature

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

Fact #2169 · Nature

Lightning strikes Earth millions of times each day.

Fact #158 · Nature

Some fish can survive completely frozen.

Fact #2639 · Nature