The Global Iron-Deficiency Crisis

Iron and Nickel Detected in Atmospheres of Solar System Comets

The Nebra Sky Disk: Is this circular copper plate really the world’s oldest star map, dating back to the Bronze Age some 3,600 years ago? Or is instead a bait-and-switch from the Iron Age that looters lied about?

Iran's groundwater depletion is reaching crisis levels, warn Concordia researchers