Researchers share new insights on the role of seasonality in dissolved organic matter (DOM) composition in large Arctic rivers. 

With unprecedented sensitivity and resolution from state-of-the-art magnets, scientists have identified for the first time the cell wall structure of one of the most prevalent and deadly fungi.

Molecular fossils of chlorophyll (called porphyrins) more than 1.1 billion years old find suggest that photosynthesis began 600 million years earlier than previously established.