The skin on a crocodile's head folding through a mechanical process, viewed with a light microscope. Courtesy of the University of Geneva, G. Timin, M. C. Milinkovitch A new study has revealed that ...

Now, in a new study, Milinkovitch and his team reported that the polygonal head scales form due to the growth and compression of skin, which creates a self-organizing pattern of folds. 2 These ...