I ron sulfides in hot springs around volcanic vents on land could have provided carbon in the form the earliest life needed to get started. A demonstration of the effectiveness of doped iron ...

Statistical results showed that seven droplet-like iron-sulfide grains ... induced mechanism for lunar surface magnetic ...

These magnetic nanoparticles are synthesized by ... occur in a water column's oxic-anoxic transition zone, most iron-sulfide-producing magnetotactic bacteria occur in the anaerobic zone just ...

The iron can no longer be removed by a magnet because it’s bonded to the sulfur. Iron sulfide, a new substance, has been formed because the iron and sulfur atoms are now chemically bonded together.