Changes

The technology to forge iron into weapons was discovered in the near east sometime around 1150 BC. Iron is much stronger than [[bronze]] and has many other advantages.

The technology to forge iron into weapons was discovered in the near east sometime around 1150 BC. Iron is much stronger than [[bronze]] and has many other advantages.

Iron was used in [[construction]] but has since been replaced by [[steel]]. The [[Eiffel Tower]] and [[Golden Gate Bridge]] are both made of iron.

Iron was used in [[construction]] but has since been replaced by [[steel]]. The [[Eiffel Tower]] and [[Golden Gate Bridge]] are both made of iron.

Iron will oxidize at when in contact with water. These iron oxides are commonly called [[rust]].

Iron will oxidize at when in contact with water. These iron oxides are commonly called [[rust]].  It is one of the few magnetic elements ([[nickel]] and [[cobalt]] are the others).

Iron is also a component of [[red blood cell]]s in the form of [[hemoglobin]].

Iron is also a component of [[red blood cell]]s in the form of [[hemoglobin]].