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 led by microbiologists Marc Mussmann and Alexander Loy from the University of Vienna has discovered a new microbial metabolism: so-called MISO bacteria "breathe" ...

A bacterium that uses sulfide as an energy source to metabolize solid iron oxides has been discovered, revealing a biological reaction that was previously assumed to be solely chemical. This finding ...

Whenever I make scrambled eggs, they turn out grey. What causes this? • If you remember your chemistry teacher heating a mixture of iron filings and powdered sulphur to form iron sulphide, with a ...