Amidst a cache of glittering golden treasures from the Iberian Bronze Age, a pair of corroded objects might be the most precious of all. A dull bracelet and a rusted hollow hemisphere decorated with gold are forged, researchers have found, not out of metal from beneath the ground, but with iron from meteorites that fell from the sky. The discovery, led by now-retired head of conservation at the National Archaeological Museum in Spain, Salvador Rovira-Llorens, was revealed in a 2024 paper and