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Scientists say the gold in wedding rings, teeth, and family heirlooms was forged in cosmic catastrophes long before our sun existed

The gold in human jewelry boxes and dental work traces back to neutron star collisions that scattered heavy elements across the galaxy long before Earth existed. The wedding band on a human finger is older than the Sun. So is the gold filling in a back molar, the chain on a great-grandmother’s pendant, and the platinum prongs holding a diamond in place. The atoms themselves were forged in an event so violent ... [8181 chars]

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