These human activities convert nitrogen from inactive to reactive forms. “Before the Haber-Bosch process and fossil fuel combustion, specialized microbes in the soil could fix nitrogen into forms ...

Humanity has thrown the global water cycle off balance “for the first time in human history,” fueling a growing water disaster that will wreak havoc on economies, food production and lives ...

This much we know: When viruses infect bacteria—a common occurrence in oceans, soils, even human guts—the interaction results in the creation of entirely new organisms called "virocells." But ...