Scientists normally explain the spectacular diversity of animal patterns by pointing to genetics. But a study in Nature suggests that, at least for crocodile heads, different forces might be at play.

This is a preview. Log in through your library . Abstract Detection of the different scales of pattern in plant communities is an important area of plant ecological research, and various tests of ...

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 ...