Pasadena, Calif.—Researchers at the California Institute of Technology (Caltech) have proposed a novel model that differs from a widely held hypothesis about the mechanisms by which developing animals ...

Some animals possess the remarkable ability to regenerate lost structures, exemplified by a lizard regrowing its tail. However, this regenerative process must be tightly regulated by the body to ...

Drosophila wing development is a paradigm for understanding how spatial information is conveyed by morphogen gradients to coordinate pattern formation and organ growth. Central to this process is ...