Biologically recycled continental iron is a major component in banded iron formations. Proceedings of the National Academy of Sciences, 2015; 201505515 DOI: 10.1073/pnas.1505515112 ...

Think of an object made of iron: An I-beam, a car frame, a nail. Now imagine that half of the iron in that object owes its existence to bacteria living two and a half billion years ago. That's the ...

Iron is a brittle, hard substance, classified as a metal in Group 8 on the Periodic Table of the Elements. The most abundant of all metals, its pure form rapidly corrodes from exposure to moist ...

I want you to notice how flat the chart is near iron-56; many elements on either side have almost the exact same binding energy per nucleon. Now look all the way over on the left side to helium-4.

Volcanoes that are rich in iron might be prime locations to find high concentrations of rare earth elements. Recent lab experiments have demonstrated that when iron-rich magmas experience volcanic ...

Here’s how it works. El Laco in Chile is an iron-rich volcano complex and also a source of rare earth elements. (Image credit: Daniel P. Gauer via Wikimedia Commons, CC BY 2.0) ...