Cambridge, MA--July 20, 2009--This year marks the the 200th anniversary of Charles Darwin's birth. And while The Origin of the Species remains the bedrock of modern evolutionary theory, scientists still cannot agree how the tremendous diversity of life came to be.
Conservationists understandably devote much time and energy to protecting endangered species such as the snow leopard, the black rhino, and the mountain gorilla.
In this Science Perspective we describe a new cell regulation framework that accounts for a cell's robustness to random perturbations and its sensitivity to specific environmental changes.