Iron is an essential trace metal for nearly all microorganisms. Microorganisms devote substantial metabolic resources to obtaining adequate iron under various environmental conditions. Systemic iron ...

Lancaster architect C. Emlen Urban was a proponent of wrought iron being used as an “art form,” and used it on his public and private buildings. Decorative uses of wrought iron include hand-wrought ...

Of all vintage toys, cast-iron examples hold a particular fascination for collectors. Most vintage toys are made of pressed tin or die-cast alloy; relatively few were made in more enduring cast iron.