Axolotl neoteny: The secret of the forever young amphibian The axolotl becomes sexually mature while keeping larval features such as external gills and an aquatic lifestyle. Read more
Metachrosis: the secret of rapid color change Metachrosis is a rapid color change in animals, involving chromatophores and light-reflecting cell structures. Read more
Leopard tortoise size: How big can it grow? The leopard tortoise is one of Africa’s largest land tortoises, with a shell length that can reach up to 70 cm. Read more
