Like the Marvel comic book hero, we are all iron men and women. Iron composes the heme of hemoglobin, the red pigment in our blood. It's stored in ferritin, a protein ubiquitous in almost all living ...

Scientists say microscopic magnetite fossils may have enabled an ancient creature to detect Earth’s magnetic field, offering ...

Diesel fumes, like the ones emitted by trains, vehicles and industrial operations, are thought to be to blame for magnetite in the human brain. Stuart Wainstock (Flickr/Creative Commons) It may be ...

Scientists suggest magnetite crystals that form inside specialized receptor cells of salmon and other animals may have roots in ancient genetic systems that were developed by bacteria and passed to ...

Researchers have taken a step closer to solving one of nature's most remarkable mysteries: How do salmon, when it's time to spawn, find their way back from distant ocean locations to the stream where ...

Finding black streaks or splotches in the sand while walking along a Michigan beach may have you wondering if you've stumbled across some sort of pollution, but it's actually a completely natural ...

Magnetite, a tiny particle found in air pollution, can induce signs and symptoms of Alzheimer's disease, new research suggests. Alzheimer's disease, a type of dementia, leads to memory loss, cognitive ...

NEWPORT, Ore. – It’s widely understood that animals such as salmon, butterflies and birds have an innate magnetic sense, allowing them to use the Earth’s magnetic field for navigation to places such ...