When iron filings and sulfur powder are ignited, the reaction is anything but gentle. The two elements fuse into iron sulfide, releasing intense heat and sometimes toxic gas. It’s a classic ...

An international team of scientists recently published a study highlighting the potential role of iron sulfides in the formation of life in early Earth’s terrestrial hot springs. According to the ...

News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. Figure 3: Simulated reaction of metal-doped iron sulfides catalyzing the H₂ ...