Embryonic germ layers are the fundamental organizing principle in animal development. They provide the structural basis from which tissues and organs arise. During early embryogenesis, cells divide to ...

A study presents a striking example of cooperative organization among cells as a potential force in the evolution of multicellular life. The study is based on the fluid dynamics of cooperative feeding ...

MOFFETT FIELD, Calif. — Humans might not be walking on Earth today if not for the ancient fusing of two microscopic, single-celled organisms called prokaryotes, NASA-funded research has found. By ...

Among the many misconceptions about evolution—“it’s only a theory”; “it works for the good of the species”—one is that evolution generates biological perfection. If only! In “The Evolution of ...

What makes evolution truly remarkable isn’t just its scope, but its ability to surprise us at every turn. The mechanisms that shaped life on our planet have produced outcomes so unexpected, so ...