Iron is stored in red blood cells that live for about 120 days before being recycled in the body. Circulating iron in the blood is quickly available but remains in the system for only a few hours.

How much of the essential trace element iron remains available for marine life in the ocean depends critically on the diversity of organic molecules in seawater, according to new research published in ...

Rutgers graduate student Heshani Pupulewatte (at right in yellow hard hat) collects water samples measuring conductivity, temperature and depth on a research ship in the Southern Atlantic Ocean. The ...