“Going local” has been a mantra for people who want to make environmentally responsible choices about what they eat. But where food’s from might matter the most when calculating its carbon footprint.

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 ...

Hawaiian gobies have an amphidromous life cycle: eggs hatch in freshwater, larvae drift to the ocean to develop, and juveniles must return upstream to breed and live out their adult lives ...