Anything that is alive now - including you - is absorbing radioactive carbon from the air. Plants breathe it in, and lock it into their flesh. We eat them! The particular isotope is carbon-14, with a half life of 5730 years.
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Anything that is alive now - including you - is absorbing radioactive carbon from the air. Plants breathe it in, and lock it into their flesh. We eat them! The particular isotope is carbon-14, with a half life of 5730 years.
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