Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

How do cells know what they should become as the body develops? Biological development depends crucially on spatial patterns: the lines that eventually give rise to segments, organs, or markings like ...

Organisms evolve to adapt to the changing times. But it was unclear whether that evolution would be the same, if given a chance to do-over, as the path it has been followed in the past. New research ...