Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Slow but fascinating The African giant snail in a terrarium prefers warm, humid conditions and becomes more active at night. Read more
The master of regeneration Mexican axolotl regeneration allows this unique amphibian to regrow lost body parts and repair certain damaged tissues. Read more