There are two basic life-cycle patterns among animals. Many animals have complex life cycles with two or more very distinct stages; metamorphosis is the usual term for the often-radical changes that ...

A tiny jellyfish, Turritopsis dohrnii, possesses a remarkable ability to reverse its life cycle, effectively defying ...

Technology evolves in predictable life cycle stages, from early experimentation to mass adoption and, eventually, decline. Companies that successfully navigate this cycle know when to scale, when to ...

Life cycles consist of births, deaths, and all the milestones in between, but I also wonder, too, about the often small, pivotal moments—the highlights—of these cycles. A mark of independence on my ...