网络分析表明，锌和镉硫化物在地质史上同步风化，在锌缺乏的情况下，镉可以作为光合途径的合适替代品。
sulfur
Posted inResearch Spotlights
How Did Diatoms Evolve to Swap Zinc for the Toxic Metal Cadmium?
New network analysis suggests that zinc and cadmium sulfides weathered simultaneously in geological history, making cadmium a suitable substitute in photosynthetic pathways when zinc was scarce.
Posted inEditors' Highlights
The Overlooked Role of Sulfur Dioxide Emissions from Volcanoes
Volcanoes can warm as much as they cool. Prior simulations have neglected the important warming effects of sulfur dioxide emissions, making some results colder than they should be.
Posted inResearch Spotlights
North American Wild Rice Faces Sulfide Toxicity
Researchers have developed a model to inform the regulation of sulfate levels in freshwater environments that are threatening the iconic plant.