Iodine (I) is a trace element of significant importance to human health and the environment. It is a major component of human thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), directly influencing thyroid function. However, approximately 1.9 billion people worldwide are affected by Iodine Deficiency Disorder (IDD), with symptoms i...

Iron is one of the most abundant elements on Earth, widely present in the Earth’s crust, water bodies, and living organisms. The redox reactions of iron in natural cycles, especially in water bodies, play a crucial role in nutrient cycling and pollutant degradation in ecosystems. However, the mechanisms of iron cycling and its interaction with micr...

Early Pleistocene Glacier Ice Preserved in Permafrost in the Eastern Canadian Arctic Academic Background Permafrost is a crucial paleoenvironmental archive on Earth, capable of preserving valuable information such as fossils, plant remains, organic materials, and ancient DNA. In recent years, scientists have discovered that the preservation of glac...

Salt Marsh Topography Reveals the Signature of Storm-Surge-Driven Sedimentation Academic Background Salt marshes are transitional zones located in low-lying, sheltered coastlines, situated between land and sea. They are among the most productive and fragile ecosystems on Earth, providing essential ecological services such as carbon sequestration, w...

Terrestrial Ecosystem Crisis at the Permian-Triassic Boundary Academic Background The Permian-Triassic boundary (approximately 252 million years ago) marks one of the most severe mass extinction events in Earth’s history, devastating not only marine ecosystems but also profoundly impacting terrestrial ecosystems. Although scientists generally agree...