And while this greatly oversimplifies plant life (who really wants to visualize the Krebs Cycle after high school, anyways), you should get the key idea: Plants lose water while “breathing.” ...

These are known as the citric acid cycle or Krebs cycle. It is a mystery whether this is something that life developed or if it was simply co-opted from something that did not need life to exist.

A Nobel Prize, of course. Such was the case for Hans Krebs, the biochemist who nabbed the award in 1953 for discovering the citric acid cycle, or “Krebs cycle”—the cellular pathway that converts ...

Powered by the sun and fueled by changes in temperature, the water cycle forms the invisible link between Earth’s glaciers, snowpack, oceans, lakes, rivers, plants, trees, clouds and rain.