Many scientists, such as the late Stephen Jay Gould, to conclude that each group of living things evolves in its own idiosyncratic manner. But now biologists at Washington University in St. Louis have ...

Skin color patterns in animals arise from microscopic interactions among colored cells that obey equations, say investigators. Researchers report that a lizard acquires its adult skin color by ...

Can a reptile compute? In one species of lizard, Timon lepidus, the colour and pattern of its scales evolve in a manner akin to a discrete rule-based computation called a cellular automaton. See ...

As adults, ocellated lizards (Timon lepidus) sport a convoluted pattern of black and green on their backs. Colour patterns aren’t rare in animals, but the ocellated lizard develops its labyrinthine ...