The atomic bomb marker inside your body
undefined 22, 2025
The “bomb spike”, a surge of carbon-14 from nuclear bomb tests since 1945, is still found in our bodies today. Though harmless, it’s proven useful: it helps scientists date human remains, track wine vintages, age sharks, and study brain cell renewal. The spike also marks humanity’s deep environmental impact and may define the start of the Anthropocene. Its presence in tissues from people born after the 1950s offers a unique timestamp of the nuclear era and its global legacy.
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