Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
The breathing of the Siamese fighting fish The labyrinth organ allows the Siamese fighting fish to breathe air from the water surface and adapt to low-oxygen waters. Read more
Tiny hatchlings after a long wait The red-footed tortoise can lay 5–15 eggs, and the hatchlings usually emerge after 4–6 months. Read more
