The Japanese puffer fish creates elaborate geometric sand patterns to attract mates — a form of artistic display.

Water is the only common substance on Earth that naturally exists in all three states — solid, liquid, and gas — at everyday temperatures.

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

A gecko can climb vertical surfaces using microscopic hairs on its feet.

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

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

The chameleon changes color primarily for communication and temperature regulation.

A flamingo’s pink color comes from its diet.

There are more trees on Earth than stars in the Milky Way — about 3 trillion trees.