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 cycling
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 inResearch Spotlights
Depth Matters in Peat Bog Nutrient Cycling
Peatlands store around a third of Earth’s soil carbon, and a new study begins to reveal how the ecosystems’ organic matter changes with depth.
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.
Posted inResearch Spotlights
Drought Changes How Peat Bogs Cycle Mercury and Sulfur
Drought conditions dictate whether atmospherically deposited sulfate stays locked in a peatland or is mobilized to stimulate the bacterial methylation of mercury.