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The Earth's Core Leaking Gold
Popular Mechanics US
|November/December 2025
GOLD ISN'T AS RARE AS YOU MAY think—it's just hard to reach.
More than 99 percent of Earth's precious metals lie hundreds of miles beneath our surface under (literal) tons of solid rock in our molten core. Fortunately, Earth is making it easier for us humans. According to a study published in the journal Nature, Earth's core is “leaking” gold.
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