Many animals get their external marking—like, feathers, hair or scales-from genetics. But it turns out, the crocodile gets its head patterns differently. Scientists normally explain the spectacular ...

Studies of altitudinal gradients in species richness have increasingly replaced the latitudinal gradient as a model template for large-scale gradient studies 9. Altitudinal gradients encompass several ...

Tooth-like scales of sharks and chicken feathers are created by the same process and explained by a theory from the legendary code-breaker Alan Turing. His reaction-diffusion theory is widely accepted ...