A nice little paper in Nature Geoscience that helps reconcile iron budgets for the word’s oceans. The hot, mineral rich water that spews from hydrothermal vents contains a significant amount of fool’s gold, or iron pyrite. Because iron pyrite is more resistant to rusting than basic iron and much of the iron pyrite venting is . . . → Read More: Fool’s Gold from Hydrothermal Vents to Plankton