We often hear that we are literally “stardust,” the atoms in our bodies having come from stars that exploded billions of years ago. A less commonly known fact is that some of the atoms inside us are much younger, such as the radioactive carbon 14 atoms created by atmospheric testing of nuclear weapons during the cold war. Ecologist and writer Stager details this and other atomic curiosities in a tour of our bodies' elements. These include nitrogen from thunder, carbon from exhaust pipes and iron from stellar cores. “Every scent you've ever savored,” Stager writes, “every sight you've ever seen, every song you've ever enjoyed, every cry or sigh that ever passed your lips sprang from atoms at work within the atmosphere and the darkest recesses of your body.”
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