Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Whip scorpions: Strange-looking predators of nature Whip scorpions are unusual arachnids with claws, a tail and sensory front legs used for hunting. Read more
Corydoras julii The Julii corydoras is a peaceful, social aquarium fish that actively searches for food near the bottom. Read more
